Watson returns as Ryder Cup captain

NEW YORK (AP) — The Americans are bringing back Tom Watson as Ryder Cup captain with hopes of ending two decades of defeats in Europe.

"We're just really tired of losing Ryder Cup," PGA of America President Ted Bishop said Thursday during a news conference at the Empire State Building.

Watson faces a tall order.

The Americans have lost seven of the last nine Ryder Cups and have not won away from home since 1993, when Watson was the captain at The Belfry in England. They are coming off a staggering loss this year at Medinah, where Europe strung together a remarkable rally from a 10-6 deficit going into the final day to win by one point.

Watson is the first repeat captain for the U.S. team since Jack Nicklaus in 1987, when the Ryder Cup was played on his home course of Muirfield Village in Ohio. Watson, one of the most respected figures in golf worldwide, becomes the seventh U.S. captain to get more than one shot.

His selection received an immediate endorsement from Tiger Woods, whom Watson has strongly criticized because of Woods' behavior.

"I'd like to congratulate Tom Watson on his selection as Ryder Cup captain," Woods said in a statement. "I think he's a really good choice. Tom knows what it takes to win, and that's our ultimate goal. I hope I have the privilege of joining him on the 2014 United States Team."

Watson had said Woods needs to "clean up his act" in the months after Woods' personal life fell apart after being caught in multiple extramarital affairs, though the Stanford alums have never been particularly close.

Watson went out of his way Thursday to praise Woods as "the best player maybe in the history of the game."

"My relationship with Tiger is fine," he said. "Whatever has been said before is water under the bridge. No issues."

Watson breaks the PGA of America's prototype in a big way. The eight-time major champion will be 65 when the 2014 Ryder Cup is played at Gleneagles in Scotland, making him the oldest captain in Ryder Cup history. Sam Snead was 57 when he was captain in 1969, and the oldest European captain was John Jacobs (56) in 1981.

Watson has not been back to the Ryder Cup since that '93 victory at The Belfry, though he sounded as if he couldn't wait to get started.

The PGA of America first contacted him more than a year ago about the job, Watson, with that familiar gap-tooth grin, replied: "Boy, I've been waiting for this call for a long time."

The matches will be played in Scotland, contributing to Watson's selection. As much as he is beloved around the world for his timeless game, epic duels with Nicklaus and graciousness in any outcome, the Scots consider him one of their own. Watson won his first major at Carnoustie in 1975 when he quickly understood how to play links golf. He won five British Open titles, the most of any American, with four of those in Scotland.

He nearly made it six claret jugs three years ago, when at 59, he came within an 8-foot par putt on the last hole from winning at Turnberry. Watson missed the putt, and then lost to Stewart Cink in a playoff.

The ovation he heard that week in Turnberry might be different at Gleneagles.

"They're going to be cheering against me," he said during a brief appearance on the "Today" show to announce his captaincy.

The PGA of America broke from its model of taking former major champions in their late 40s who still play the PGA Tour and are in touch with the players. Watson last played a full schedule in 1998, though the PGA of America had to wonder if perhaps the young captains were too close to the players.

As for the pressure of bringing back the Ryder Cup?

"This responsibility is a challenge," Watson said. "But I've been there before, and I love it."

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AP Golf Writer Doug Ferguson contributed to this report.

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World’s Population Living Longer, New Report Suggests

A sharp decline in deaths from malnutrition and diseases like measles and tuberculosis has caused a shift in global mortality patterns over the past 20 years, according to a new report, with far more of the world’s population now living into old age and dying from diseases more associated with rich countries, like cancer and heart disease.

The shift reflects improvements in sanitation, medical services and access to food throughout the developing world, as well as the success of broad public health efforts like vaccine programs. The results are dramatic: infant mortality has declined by more than half between 1990 and 2010, and malnutrition, the No. 1 risk factor for death and years of life lost in 1990, has fallen to No. 8.

At the same time, chronic diseases like cancer now account for about two out of every three deaths worldwide, up from just over half in 1990. Eight million people died of cancer in 2010, 38 percent more than in 1990. Diabetes claimed 1.3 million lives in 2010, double the number in 1990.

But while developing countries made big strides – the average age of death in Brazil and Paraguay, for example, jumped to 63 in 2010, up from 28 in 1970 – the United States stagnated. American women registered the smallest gains in life expectancy of all high-income countries between 1990 and 2010. The two years of life they gained was less than in Cyprus, where women gained 2.3 years of life and Canada, where women gained 2.4 years. The slow increase caused American women to fall to 36th place in the report’s global ranking of life expectancy, down from 22nd in 1990.

“It’s alarming just how little progress there has been for women in the United States,” said Christopher Murray, director of the Institute for Health Metrics and Evaluation, a health research organizationfinanced by the Bill and Melinda Gates Foundation at the University of Washington that coordinated the report. Rising rates of obesity among American women and the legacy of smoking, a habit women in this country formed later than men, are among the factors contributing to the stagnation, he said.

The World Health Organization issued a statement Thursday saying that some of the estimates in the report differ substantially from those done by United Nations agencies, though others are similar. All comprehensive estimates of global mortality rely heavily on statistical modeling because only 34 countries – representing about 15 percent of the world’s population – produce quality cause-of-death data.

Health experts from more than 300 institutions contributed to the report, which measured disease and mortality for populations in more than 180 countries. It was published Thursday in the Lancet, a British health publication.

The one exception to the trend was sub-Saharan Africa, where infectious diseases, childhood illnesses and maternal causes of death still account for about 70 percent of all illness. In contrast, they account for just one-third in South Asia, and less than a fifth in all other regions. Sub-Saharan Africa also lagged in mortality gains, with the average age of death there rising by fewer than 10 years from 1970 to 2010, compared to a more than 25-year increase in Latin America, Asia and North Africa.

The change means that people are living longer, an outcome that public health experts praised. But it also raises troubling questions. Behavior affects people’s risks of developing noncommunicable diseases like cancer, heart disease and diabetes, and public health experts say it is far harder to get people to change their ways than to administer a vaccine that protects children from an infectious disease like measles.

“Adult mortality is a much harder task for the public health systems in the world,” said Colin Mathers, a senior scientist at the World Health Organization in Geneva. “It’s not something that medical services can address as easily.”

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Most Googled in 2012: Whitney, PSY, Sandy

LOS ANGELES (AP) — The world’s attention wavered between the tragic and the silly in 2012, and along the way, millions of people searched the Web to find out about a royal princess, the latest iPad, and a record-breaking skydiver.

Whitney Houston was the “top trending” search of the year, according to Google Inc.’s year-end “zeitgeist” report. Google‘s 12th annual roundup is “an in-depth look at the spirit of the times as seen through the billions of searches on Google over the past year,” the company said in a blog post Wednesday.

People around the globe searched en masse for news about Houston‘s accidental drowning in a bathtub just before she was to perform at a pre-Grammy Awards party in February.

Google defines topics as “trending” when they garner a high amount of traffic over a sustained period of time.

Korean rapper PSY’s “Gangnam Style” music video trotted into second spot, a testament to his self-deprecating giddy-up dance move. The video is approaching a billion views on YouTube.

Superstorm Sandy, the damaging storm that knocked out power and flooded parts of the East Coast in the midst of a U.S. presidential campaign, was third.

The next biggest trending searches globally were a pair of threes: the iPad 3 tablet from Apple Inc. and Diablo 3, a popular video game.

Rounding out the Top 10 were Kate Middleton, who made news with scandalous photos and a royal pregnancy; the 2012 Olympics in London; Amanda Todd, a Canadian teen who was found dead of an apparent suicide in October after being bullied online; Michael Clarke Duncan, the “Green Mile” actor who died of a heart attack in September at age 54; and “BBB12,” the 12th edition of “Big Brother Brasil,” a reality show featuring scantily clad men and women living together.

Some trending people, according to Google, were:

— Felix Baumgartner, an Austrian skydiver who became the first to break the sound barrier without a vehicle with a 24-mile plummet from Earth’s stratosphere;

— Jeremy Lin, the undrafted NBA star who exploded off the New York Knicks bench and sparked a wave of “Linsanity”;

— Morgan Freeman, the actor whose untimely death turned out not to be true.

The Internet also continued its rise as a popular tool for spreading addictive ideas and phrases known as “memes.” Remember LOL? If you don’t know what it means by now, someone may “Laugh Out Loud” at you.

This year, Facebook said its top memes included “TBH (To Be Honest),” ”YOLO (You Only Live Once),” ”SMH (Shake My Head).” Thanks to an endlessly fascinating U.S. presidential campaign, “Big Bird” made the list after Republican candidate Mitt Romney said he might consider cutting some funds for public broadcasting.

Yahoo said its own top-searched memes for the year included “Kony 2012,” a reference to the short film and campaign against Ugandan militia leader Joseph Kony; “stingray photobomb” for an unusual vacation snapshot that went viral; and “binders full of women,” another nod to Romney for his awkward description of his search for women cabinet members as Massachusetts’ governor.

And people were happy to pass on popular Twitter posts by retweeting them. According to Twitter, the year’s most popular retweets were President Barack Obama‘s “Four more years,” and Justin Bieber’s farewell to six-year-old fan Avalanna Routh, who died of a rare form of brain cancer: “RIP Avalanna. i love you”.

Gadgets News Headlines – Yahoo! News

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Lawmaker: NFL players 'trying to back out' on HGH

WASHINGTON (AP) — A congressman accused the NFL Players Association of "trying to back out" of an agreement to start testing for human growth hormone in pro football.

Speaking at a House Oversight and Government Reform Committee hearing about the science behind the testing, Rep. Elijah Cummings of Maryland, the panel's ranking Democrat, noted Wednesday that nearly two full NFL seasons have passed since the league and the players' union signed a labor deal in August 2011 that set the stage for adding HGH to the sport's drug program.

The NFLPA won't concede the validity of a test that's used by Olympic sports and Major League Baseball, and the sides haven't been able to agree on a scientist to help resolve that impasse. HGH is a banned substance that is hard to detect and used by athletes for what are believed to be a variety of benefits, whether real or only perceived — such as increasing speed or improving vision.

"They say they need more time ... before doing what they agreed to do. To me, it seems obvious the Players Association is simply running out the clock," Cummings said in his opening statement. "Although they agreed to HGH testing, they are now trying to back out of the contract."

Cummings and committee chairman Darrell Issa, a California Republican, both said additional hearings are expected.

"It is our hope (to) move these parties closer together," Issa said.

Issa also said there could be a connection between head injuries in football and the use of HGH, "based in part on the strength of the players hitting each other."

The committee did not ask anyone from the league or union to testify Wednesday. Witnesses included Pro Football Hall of Fame member Dick Butkus, U.S. Anti-Doping Agency Chief Science Officer Larry Bowers, and National Institutes of Health Deputy Director Lawrence Tabak.

Bowers told the committee "there is a broad consensus among scientific experts who regularly work in the growth hormone field" that the test is reliable and valid, and that "the chances of an athlete who has not used synthetic growth hormone testing positive are comparable to the chance of that same athlete being struck by lightning during his or her lifetime."

He closed by saying: "I would like to point out that the only people who are still questioning the methodology and validity of the ... test are lawyers, not scientists."

Tabak said many studies vouch for the reliability of HGH testing, even though the naturally occurring hormone and the artificial form are tough to tell apart.

He also pointed out the "serious risks" to athletes who give themselves HGH.

Even once scientific issues are resolved, there will be other matters the league and union need to figure out, including who administers the test and what the appeals process will be. The latter could be of particular import in the aftermath of the decision in the New Orleans Saints' bounty case Tuesday, when NFL Commissioner Roger Goodell's suspensions of four players were tossed aside by former Commissioner Paul Tagliabue.

The collective bargaining agreement that ended the NFL lockout 16 months ago included a provision for HGH testing — but only once the NFLPA approved the process.

"First, I applaud the NFL and players for taking a bold and decisive position on HGH in their 10-year agreement. Now let's get on with it," Butkus told the committee. "The HGH testing process is proven to be reliable. It's time to send a clear message that performance-enhancing drugs have no place in sports, especially the NFL."

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Connect with Howard Fendrich on Twitter at http://twitter.com/HowardFendrich

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Online: http://pro32.ap.org/poll and http://twitter.com/AP_NFL

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The New Old Age: The Gift of Reading

This is the year of the tablet, David Pogue of The Times has told us, and that may be good news for seniors who open holiday wrappings to find one tucked inside. They see better with tablets’ adjustable type size, new research shows. Reading becomes easier again.

This may seem obvious — find me someone over 40 who doesn’t see better when fonts are larger — but it’s the business of science to test our assumptions.

Dr. Daniel Roth, an eye specialist and clinical associate professor at the Robert Wood Johnson Medical School in New Brunswick, N.J., offered new evidence of tablets’ potential benefits last month at the annual meeting of the American Academy of Ophthalmology.

His findings, based on tests conducted with 66 adults age 50 and over: older people read faster (a mean reading speed of 128 words per minute) when using an iPad, compared to a newspaper with the same 10-point font size (114 words per minute).

When the font was increased to 18 points — easy to do on an iPad — reading speed increased to 137 words per minute.

“If you read more slowly, it’s tedious,” Dr. Roth said, explaining why reading speed is important. “If you can read more fluidly, it’s more comfortable.”

What makes the real difference, Dr. Roth theorizes, is tablets’ illuminated screen, which heightens contrast between words and the background on which they sit.

Contrast sensitivity — the visual ability to differentiate between foreground and background information — becomes poorer as we age, as does the ability to discriminate fine visual detail, notes Dr. Kevin Paterson, a psychologist at the University of Leicester, who recently published a separate study on why older people struggle to read fine print.

“There are several explanations for the loss of sensitivity to fine detail that occurs with older age,” Dr. Paterson explained in an e-mail. “This may be due to greater opacity of the fluid in the eye, which will scatter incoming light and reduce the quality of the projection of light onto the retina. It’s also hypothesized that changes in neural transmission affect the processing of fine visual detail.”

Combine these changes with a greater prevalence of eye conditions like macular degeneration and diabetic retinopathy in older adults, and you get millions of people who cannot easily do what they have done all their lives — read and stay connected to the world of ideas, imagination and human experience.

“The No. 1 complaint I get from older patients is that they love to read but can’t, and this really bothers them,” Dr. Roth said. The main option has been magnifying glasses, which many people find cumbersome and inconvenient.

Some words of caution are in order. First, Dr. Roth’s study has not been published yet; it was presented as a poster at the scientific meeting and publicized by the academy, but it has not yet gone through comprehensive, rigorous peer review.

Second, Dr. Roth’s study was completed before the newest wave of tablets from Microsoft, Google, Samsung and others became available. The doctor made no attempt to compare different products, with one exception. In the second part of his study, he compared results for the iPad with those for a Kindle. But it was not an apples to apples comparison, because the Kindle did not have a back-lit screen.

This section of his study involved 100 adults age 50 and older who read materials in a book, on an iPad and on the Kindle. Book readers recorded a mean reading speed of 187 words per minute when the font size was set at 12; Kindle readers clocked in at 196 words per minute and iPad readers at 224 words per minute at the same type size. Reading speed improved even more drastically for a subset of adults with the poorest vision.

Again, Apple’s product came out on top, but that should not be taken as evidence that it is superior to other tablets with back-lit screens and adjustable font sizes. Both the eye academy and Dr. Roth assert that they have no financial relationship with Apple. My attempts to get in touch with the company were not successful.

A final cautionary note should be sounded. Some older adults find digital technology baffling and simply do not feel comfortable using it. For them, a tablet may sit on a shelf and get little if any use.

Others, however, find the technology fascinating. If you want to see an example that went viral on YouTube, watch this video from 2010 of Virginia Campbell, then 99 years old, and today still going strong at the Mary’s Woods Retirement Community in Lake Oswego, Ore.

Ms. Campbell’s glaucoma made it difficult for her to read, and for her the iPad was a blessing, as she wrote in this tribute quoted in an article in The Oregonian newspaper:

To this technology-ninny it’s clear
In my compromised 100th year,
That to read and to write
Are again within sight
Of this Apple iPad pioneer

Caregivers might be delighted — as Ms. Campbell’s daughter was — by older relatives’ response to this new technology, a potential source of entertainment and engagement for those who can negotiate its demands. Or, they might find that old habits die hard and that their relatives continue to prefer a book or newspaper they can hold in their hands to one that appears on a screen.

Which reading enhancement products have you used, and what experiences have you had?

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Afghan Law Offering Abused Women Redress Makes Slow Gains

KABUL, Afghanistan — Women who suffer violence in Afghanistan are often afraid to report abuses to government authorities and rarely see their cases taken to trial, though prosecutors regularly obtain convictions when cases do go forward, according to a report released on Tuesday by the United Nations office here.

The detailed study of the Elimination of Violence Against Women Act, enacted by Afghanistan in 2009, found that the use of that law had increased significantly, with prosecutions doubling, but still lagging far behind the growing number of complaints.

More than 4,000 reports of abuse of women were recorded by the Afghanistan Independent Human Rights Commission from over the seven months ending in October, which far outstrips the number recorded during the 12 preceding months, March 2011 to March 2012.

However, in the United Nations’ study of 16 Afghan provinces, including some of the most populous, only a small percentage of those reports were registered with the police or the courts, and prosecutors took barely a third of the complaints — just 163 — to trial. Still, they obtained 100 convictions.

The antiviolence law lists 22 acts that constitute violence against women, including rape, forced prostitution, forced marriage, child marriage, harassment or persecution, and causing injury or disability.

The reasons for the huge gap between the number of reports and the number investigated and brought to trial have much to do with Afghan culture, which discourages discussing family troubles with strangers, and with widespread discrimination against women, which leads to “acceptance of violence against them,” said Georgette Gagnon, the director of human rights for the United Nations’ Afghanistan office, who discussed the findings at a news conference.

In many places, the police and prosecutors discourage women from pressing their case in court, Ms. Gagnon said. The commitment of government authorities ranges widely, with some deeply supportive of the law — to the extent of risking their lives to help women — and others reluctant to move cases into the courts.

“Rather than following required legal procedures in all cases, police and prosecutors’ offices continue to refer numerous cases, including serious crimes of violence against women, to jirgas and shuras for advice or resolution,” she said.

Shuras and jirgas, tribal councils that rely on male elders to determine a solution, often return women to the circumstances in which they were abused, and only rarely punish the perpetrators. The use of shuras and jirgas is especially prevalent in ethnic Pashtun areas of the country, but it is not unknown in Tajik areas. Of 52 cases registered by the provincial office of the Ministry of Women’s Affairs in Nangarhar Province in eastern Afghanistan, 17 were sent to jirgas, according to the report.

The report noted that in some areas, government authorities appeared to be so reluctant to invite public attention that they reported no cases of abuse at all. That was the case in Panjshir Province, which is overwhelmingly ethnic Tajik, as well as in Wardak and Logar Provinces, which are both majority Pashtun. In Panjshir, abuse complaints were diverted to jirgas, the United Nations report said.

Women are afraid to make their troubles public in part because they fear retribution from those who abused them, Ms. Gagnon said. “Women will tell you that most of them don’t go to authorities to complain,” she said. “And how would they go? They can’t get out of the house.”

Prosecutors are most active in Herat, in western Afghanistan, and in Kabul, the two largest metropolitan areas, which together accounted for more than half of the instances of violence that were registered with prosecutors’ offices. That indicated better systems for reporting there and perhaps a greater awareness of the issues, women’s rights advocates said.

Still, the tiny percentage of prosecutions outraged the advocates, who said a major problem was a culture of impunity that allowed abusers who occupied positions of power in communities to go unpunished, discouraging prosecutions.

“Given the high number of cases of violence against women, from now on we should stop using the word ‘violence’ and use the word ‘crime’ when we talk about this,” said Selay Ghaffar, a member of the Afghan Women’s Network. “Unfortunately, those who violate women’s rights have not been punished, and they still walk free.”

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Tagliabue overturns Saints suspensions

NEW ORLEANS (AP) — Former NFL Commissioner Paul Tagliabue overturned the suspensions of four current and former New Orleans Saints players in the league's bounty investigation of the club.

Tagliabue, however, found that three of the players engaged in conduct detrimental to the league. He said they participated in a performance pool that rewarded key plays — including hard tackles — that could merit fines. But he stressed that the team's coaches were very much involved.

"Unlike Saints' broad organizational misconduct, player appeals involve sharply focused issues of alleged individual player misconduct in several different aspects," said a portion of ruling released by the NFL. "My affirmation of Commissioner Goodell's findings could certainly justify the issuance of fines. However, this entire case has been contaminated by the coaches and others in the Saints' organization."

Tagliabue was appointed by his successor, Commissioner Roger Goodell, to handle a second round of player appeals to the league in connection with the Saints' cash-for-hits program run by former defensive coordinator Gregg Williams from 2009-2011. The players initially opposed his appointment.

Saints linebacker Jonathan Vilma had been given a full-season suspension, while defensive end Will Smith, Cleveland linebacker Scott Fujita and free agent defensive lineman Anthony Hargrove each received shorter suspensions.

Fujita was the only player cleared of conduct detrimental to the league by Tagliabue.

None of the players sat out any games because of suspensions. They have been allowed to play while appeals are pending, though Fujita is on injured reserve and Hargrove is not with a team.

Shortly before the regular season, the initial suspensions were thrown out by an appeals panel created by the league's collective bargaining agreement. Goodell then reissued them, with some changes, and now those have been dismissed.

Meanwhile, the players have challenged the NFL's handling of the entire process in federal court, but U.S District Judge Ginger Berrigan had been waiting to see how the latest round of appeals played out before deciding whether to get involved.

With the player suspensions overturned, the end of a nearly 10-month dispute over how the NFL handled an investigation that covered three seasons and gathered about 50,000 pages of documents could be near.

NFL investigators found that Vilma and Smith were ring-leaders of a cash-for-hits program that rewarded injurious tackles labeled as "cart-offs" and "knockouts." The NFL also concluded that Hargrove lied to NFL investigators to help cover up the program.

Goodell also suspended Williams indefinitely, while banning Saints head coach Sean Payton for a full season.

Tagliabue's ruling comes after a new round of hearings that for the first time allowed Vilma's attorneys and the NFL Players Association, which represents the other three players, to cross-examine key NFL witnesses in the probe. Those witnesses included Williams and former Saints assistant Mike Cerullo, who was fired after the 2009 season and whose email to the league, accusing the Saints of being "a dirty organization," jump-started the probe.

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News Analysis: A Debate on Coated Aspirins and Aspirin Resistance

Millions of Americans take low-dose aspirin every day to prevent heart attacks and strokes. But a study published last week challenges some cherished beliefs about the familiar remedy, leaving some consumers to wonder if they should throw out their coated pills and others concerned that they unnecessarily may be taking expensive substitutes.

The study, published in the journal Circulation, by researchers at the University of Pennsylvania, tested 400 healthy people for evidence that aspirin did not work in them, a phenomenon called “aspirin resistance.” Aspirin prevents blood platelets from sticking together, which can lead to heart attacks and strokes. Previous studies have estimated that anywhere from 5 to 40 percent of the population is resistant to aspirin’s effects.

But the study essentially found that the condition doesn’t exist: they could not document a single case of true aspirin resistance in their sample. What had appeared to be aspirin resistance, they said, actually was caused by the coating commonly used on aspirin pills intended to protect the stomach. The coating slowed the drug’s absorption into the body.

The study didn’t evaluate whether coated aspirin was less likely to prevent heart attacks or strokes, said Dr. Garret FitzGerald, one of the authors. And people who took the coated aspirin in his study eventually showed a response to it.

But people who seek out coated aspirin may be doing so unnecessarily, he said, especially since previous studies have not consistently shown that the coating even prevents gastric problems.

“There’s no rationale for you to be on coated aspirin,” said Dr. FitzGerald, who is a cardiologist and chairman of pharmacology at the University of Pennsylvania.

Some cardiologists have begun advising patients to seek out uncoated aspirin because other studies have suggested that the uncoated type may be more effective. But finding it isn’t so easy. Even cheaper store brands, like those sold by CVS and Wal-Mart, come with a so-called enteric coating. One of the few uncoated aspirins on the market is St. Joseph’s chewable variety — the old orange-flavored baby aspirin.

But other experts, like Dr. Steven E. Nissen, a cardiologist at the Cleveland Clinic, see no real harm in taking coated aspirin, which is cheap and readily available. Many major studies of aspirin have been conducted using the coated variety.

The new study also calls into question the very idea of aspirin resistance. Testing for the condition became more widespread in the early 2000s, as expensive prescription alternatives like the blood thinner Plavix (also called clopidogrel) gained popularity. Many cardiologists suspected that the timing was not a coincidence.

“Before clopidogrel, we had never heard of aspirin resistance,” said Dr. Sanjay Kaul, a cardiologist at Cedars-Sinai Medical Center in Los Angeles. “It seemed to be that this was driven mostly by marketing considerations.” The new study raises the possibility that many patients may have been falsely told that aspirin doesn’t work on them, Dr. Kaul and other experts said.

The University of Pennsylvania study was partially financed by Bayer, the world’s largest manufacturer of branded aspirin, much of which is coated. In a statement, Bayer challenged some of the study’s conclusions and methods, and also said there was evidence that the enteric coating can reduce gastric side effects.

Critics of Dr. FitzGerald’s study also argue that he should have studied aspirin resistance in patients with conditions like heart disease, rather than in healthy people.

But even these critics acknowledge that testing for resistance is probably not worthwhile. Dr. Nissen, who is critical of Dr. FitzGerald’s study, doesn’t test his patients for aspirin resistance. But he said he would be reluctant to switch a patient from another drug back to aspirin now if a test had previously shown they were aspirin-resistant. Changing treatments is always risky, he said.

“If the patient is not bleeding, is not having a complication, am I going to take it away?” Dr. Nissen wondered. “That’s the dilemma we face.”

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Michigan Legislature Approves Labor Limit

Fabrizio Costantini for The New York Times

Protesters argued on the steps of the Michigan Capitol on Tuesday as state lawmakers considered right to work legislation.

LANSING, Mich. — The Michigan Legislature approved sweeping legislation on Tuesday that vastly reduces the power of organized labor in a state that has been a symbol of union dominance and served as an incubator for union activity over decades of modern American labor history.

The two bills, approved by the House of Representatives over the shouts of thousands of angry union protesters who gathered on the lawn outside the Capitol building, will among other things, bar both public and private sector union workers from being required to pay fees as a condition of their employment.

The bills have already been approved by the State Senate, and Gov. Rick Snyder has said he intends to sign the legislation as soon as this week. Procedural maneuvering could still briefly delay the bill through calls for reconsideration.

Lisa Posthumus, a House Republican, who said her family included union members, said the legislation gave workers the freedom to make their own choices. “Yes, we are witnessing history,” she said. “This is the day when Michigan freed its workers.”

Mark Meadows, a House Democrat, had a different take. “I was hoping that this day would never come,” he said. “In the last two years there’s been a chipping away at bargaining. But today, the corporations delivered the coup de grâce.”

From a distance, there would seem no more unlikely a success for such legislation than Michigan, where labor, hoping to demonstrate strength after a series of setbacks, asked voters last month to enshrine collective bargaining into the State Constitution.

But that ballot measure failed badly, and suddenly a reverse drive was under way that has brought the state to a moment startling in its symbolism. How the home of the United Automobile Workers finds itself on the cusp of becoming the 24th state to ban compulsory union fees — and only the second state to pass such legislation in a decade — is the latest chapter in a larger battle over the role of unions in the industrial heart of the nation.

As the debate over the bills intensified Tuesday, the authorities closed the Capitol after saying the building had reached its capacity of more than 2,000. That left thousands of noisy union members — many dressed in red — on the lawn outside, although the doors to the building were opened again later in the morning.

Streets around the Capitol were also closed to traffic and clusters of state police, some equipped with riot gear, kept posts throughout the building and along nearby streets.

At least two school districts around the state announced that they would close for the day, as word spread that teachers and other workers planned to protest in Lansing.

As Republicans in the state House moved uncommonly swiftly to pass the measures, union demonstrators outside — the sound of their drumbeats becoming progressively louder inside the chamber — chanted, “Kill the bill! Kill the bill!”

Once the first bill — related to public employees — was approved by a 58-to-51 vote, union supporters cried out from the gallery, “Recall! Recall! Recall!”

Republicans hold a 64-to-46 majority in the state House, and aside from a few dissenters, the vote was generally along party lines.

The second bill, covering private sector unions, was passed by the House about an hour and a half later by a 58-to-52 vote.

Democrats around the nation, including President Obama, have denounced the measures in recent days.

“You know, these so-called right-to-work laws, they don’t have to do with economics,” said Mr. Obama, during a visit to a truck factory outside Detroit on Monday. “They have everything to do with politics. What they’re really talking about is giving you the right to work for less money.”

Before the first House vote Tuesday, Democrats had sought to slow down the proceedings by employing whatever tactics they could dream up. One was to offer an array of amendments with the idea of destabilizing the bill by a thousand cuts. Among the suggestions: Send the question to a public vote. Each amendment however, was quickly rejected.

Mary M. Chapman contributed reporting in Lansing, and Steven Yaccino in Chicago.

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Morsi Spokesman Tries to Clarify Military Order

Petr David Josek/Associated Press

Demonstrators camping out in Cairo's Tahrir Square on Monday.

CAIRO — A day after President Mohamed Morsi formally directed the military to help keep public order and authorized soldiers to arrest civilians, a spokesman on Monday sought to draw distinctions between the order and the forms of martial law that the Egyptian Army had previously imposed.

The spokesman, Khaled Al-Qazzaz, said the president had called upon the military for the limited purpose of protecting polling stations during Saturday’s constitutional referendum. He also said the president had instructed the army to refer any civilians arrested by soldiers to a civilian court for trial, instead of military tribunals, reversing the blanket authorizations that the Egyptian military has long demanded when it takes on a policing role in the streets.

“This is very different from what happened under the SCAF,” said Mr. Qazzaz, referring to the Supreme Council of the Armed Forces, which ruled Egypt after President Hosni Mubarak was ousted and until Mr. Morsi took over. “What the president did with the cabinet is, anyone arrested will be referred to a normal judicial process and it will go to a normal civilian court. There will be no military trials.”

Ending military trials was a rallying cry of the opposition when the council was in charge, but it was not immediately clear on Monday how the instructions Mr. Qazzaz described might fit within the written order or the usual rules of the Egyptian military.

Heba Morayef, a researcher with Human Rights Watch, noted that the text of the order allowed the military to continue taking civilians to military courts. “Had he wanted to,” Ms. Morayef said, “President Morsi could have stipulated that the military’s jurisdiction would have been limited in this case and that every civilian will be referred to a civilian court, but he chose not to.” She also noted that the draft constitution specifically allows for the military to continue bringing civilians to military courts for trial if they disobey a military authority. “As long as the military is deployed, the military has jurisdiction under the military code of justice,” she said.

The debate over the military’s role in the referendum added to the intensifying political crisis over Egypt’s draft constitution, which the president and his Islamist allies are trying to pass quickly. After announcing its “complete rejection of the referendum” on Sunday, a coalition of the president’s opponents indicated on Monday that it was still debating whether to call for a boycott of the charter or to campaign for a vote against it.

There are also splits among Egypt’s judges, who are supposed to supervise the referendum. On Monday, a group representing administrative court judges said that under certain conditions they would agree to supervise the vote, while other judges’ clubs have said their members would boycott the referendum.

Major demonstrations are expected at the presidential palace again on Tuesday and Friday — ensuring that questions about Egypt’s national unity and stability will continue to overshadow debate about the specific contents of the charter. Although international experts who have studied the draft say it is hardly more religious than Egypt’s existing Constitution, opponents say it fails to adequately protect individual rights from being constricted by a future Islamist majority in Parliament.

Over the past two weeks, hundreds of thousands of people have poured into the streets to oppose the charter, crowds have attacked 28 Muslim Brotherhood offices and the group’s headquarters, and at least seven people have died in clashes between Islamist and secular political factions.

Kareem Fahim contributed reporting from Cairo.

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