Well: Keeping Blood Pressure in Check

Since the start of the 21st century, Americans have made great progress in controlling high blood pressure, though it remains a leading cause of heart attacks, strokes, congestive heart failure and kidney disease.

Now 48 percent of the more than 76 million adults with hypertension have it under control, up from 29 percent in 2000.

But that means more than half, including many receiving treatment, have blood pressure that remains too high to be healthy. (A normal blood pressure is lower than 120 over 80.) With a plethora of drugs available to normalize blood pressure, why are so many people still at increased risk of disease, disability and premature death? Hypertension experts offer a few common, and correctable, reasons:

¶ About 20 percent of affected adults don’t know they have high blood pressure, perhaps because they never or rarely see a doctor who checks their pressure.

¶ Of the 80 percent who are aware of their condition, some don’t appreciate how serious it can be and fail to get treated, even when their doctors say they should.

¶ Some who have been treated develop bothersome side effects, causing them to abandon therapy or to use it haphazardly.

¶ Many others do little to change lifestyle factors, like obesity, lack of exercise and a high-salt diet, that can make hypertension harder to control.

Dr. Samuel J. Mann, a hypertension specialist and professor of clinical medicine at Weill-Cornell Medical College, adds another factor that may be the most important. Of the 71 percent of people with hypertension who are currently being treated, too many are taking the wrong drugs or the wrong dosages of the right ones.

Dr. Mann, author of “Hypertension and You: Old Drugs, New Drugs, and the Right Drugs for Your High Blood Pressure,” says that doctors should take into account the underlying causes of each patient’s blood pressure problem and the side effects that may prompt patients to abandon therapy. He has found that when treatment is tailored to the individual, nearly all cases of high blood pressure can be brought and kept under control with available drugs.

Plus, he said in an interview, it can be done with minimal, if any, side effects and at a reasonable cost.

“For most people, no new drugs need to be developed,” Dr. Mann said. “What we need, in terms of medication, is already out there. We just need to use it better.”

But many doctors who are generalists do not understand the “intricacies and nuances” of the dozens of available medications to determine which is appropriate to a certain patient.

“Prescribing the same medication to patient after patient just does not cut it,” Dr. Mann wrote in his book.

The trick to prescribing the best treatment for each patient is to first determine which of three mechanisms, or combination of mechanisms, is responsible for a patient’s hypertension, he said.

¶ Salt-sensitive hypertension, more common in older people and African-Americans, responds well to diuretics and calcium channel blockers.

¶ Hypertension driven by the kidney hormone renin responds best to ACE inhibitors and angiotensin receptor blockers, as well as direct renin inhibitors and beta-blockers.

¶ Neurogenic hypertension is a product of the sympathetic nervous system and is best treated with beta-blockers, alpha-blockers and drugs like clonidine.

According to Dr. Mann, neurogenic hypertension results from repressed emotions. He has found that many patients with it suffered trauma early in life or abuse. They seem calm and content on the surface but continually suppress their distress, he said.

One of Dr. Mann’s patients had had high blood pressure since her late 20s that remained well-controlled by the three drugs her family doctor prescribed. Then in her 40s, periodic checks showed it was often too high. When taking more of the prescribed medication did not result in lasting control, she sought Dr. Mann’s help.

After a thorough work-up, he said she had a textbook case of neurogenic hypertension, was taking too much medication and needed different drugs. Her condition soon became far better managed, with side effects she could easily tolerate, and she no longer feared she would die young of a heart attack or stroke.

But most patients should not have to consult a specialist. They can be well-treated by an internist or family physician who approaches the condition systematically, Dr. Mann said. Patients should be started on low doses of one or more drugs, including a diuretic; the dosage or number of drugs can be slowly increased as needed to achieve a normal pressure.

Specialists, he said, are most useful for treating the 10 percent to 15 percent of patients with so-called resistant hypertension that remains uncontrolled despite treatment with three drugs, including a diuretic, and for those whose treatment is effective but causing distressing side effects.

Hypertension sometimes fails to respond to routine care, he noted, because it results from an underlying medical problem that needs to be addressed.

“Some patients are on a lot of blood pressure drugs — four or five — who probably don’t need so many, and if they do, the question is why,” Dr. Mann said.

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DealBook: Compuware Rejects Elliott's $2.3 Billion Bid

11:46 a.m. | Updated

Compuware said on Friday that its board had rejected a $2.3 billion takeover bid by Elliott Management, arguing that the hedge fund’s offer was too low.

Instead, the business software maker said that it was focused on its own corporate turnaround blueprint, including a three-year plan to cut costs and an effort to spin off its Covisint business communication products arm. It also announced plans to pay a 50-cent annual dividend, beginning next quarter.

Compuware said that Elliott’s offer of $11 a share, made last month, would not deliver enough value to shareholders, compared to the improvements that its self-help plan would yield.

“We believe that selling the company at $11.00 per share does not take into account our progress returning the business to profitable growth and our future prospects,” Bob Paul, the company’s chief executive, said in a statement.

The decision by Compuware sets up a potential clash with Elliott, which has managed to score some big wins in its battles with technology companies. It bid for Novell, leading the software maker to sell itself to Attachmate for $2.2 billion.

People close to Elliott have argued that the hedge fund was fully prepared to pay the $2.3 billion it had offered for Compuware. But the hedge fund also believed that private equity firms would also express interest.

Though shares in Compuware began rising after Elliott disclosed an 8 percent stake in the company in November, they have remained largely below the $11-a-share offer, implying investor skepticism about a deal being done. The stock closed on Thursday at $10.76.

Jesse Cohn, the Elliott portfolio manager overseeing the hedge fund’s bid, said in a statement: ““This is a good outcome. Compuware has granted our request for access to diligence to confirm an offer for the company. We will immediately reach out to negotiate an appropriate N.D.A. and look forward to moving quickly to engage in diligence with the help of our legal and financial advisors. We remain very interested in the company.”

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This post has been revised to reflect the following correction:

Correction: January 28, 2013

An earlier version of this article misstated Compuware's dividend plan. It is a 50-cent annual dividend, not a quarterly one.

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Toyota Returns to No. 1 in Global Auto Sales

TOKYO — Toyota Motor sold a record 9.75 million vehicles last year, according to an official tally released Monday, roaring past General Motors and Volkswagen to reclaim its title as the world’s top automaker in 2012.

General Motors, which held the top spot in 2011, mustered 9.29 million vehicles in global sales last year. The U.S. company had been the top-selling automaker for decades before losing its lead to Toyota in 2008.

Volkswagen sold 9.1 million vehicles last year, a record for the German automaker, which has expanded its presence in emerging markets. VW also outsold Toyota in 2011.

Toyota estimated last month that it sold 9.7 million vehicles for the year, and final figures released Monday were slightly higher.

By confirming its No. 1 title, Toyota cements a strong comeback from several years of tumbles.

A sharp slowdown in exports during the global economic crisis led to the automaker’s biggest loss in decades, while controversy over its handling of recalls greatly tarnished its image for quality and reliability.

In 2011, the earthquake and tsunami in Japan, as well as widespread flooding in Thailand later that year, severely disrupted production, weighing on sales in important markets like the United States and pushing Toyota to No. 3 in global sales.

Toyota had a bumper year in 2012, however, as production rebounded and the automaker went on an offensive to win back market share. Toyota sales in the United States surged 27 percent, to 2.08 million vehicles. In Japan, sales rose 35 percent, to 2.41 million units, helped by government incentives for fuel-efficient cars.

Those increases were enough to offset a decline in sales in China, where Japanese businesses have been hurt by consumer boycotts amid a bitter territorial dispute between the two countries. In Europe, sales of Toyota cars rose by 2 percent. Toyota’s sales figures include deliveries from its subsidiaries Hino Motors and Daihatsu Motor.

The other automakers among Japan’s big three also sold more cars in 2012 and are set for even higher sales this year on the back of a weaker yen, which makes Japanese-made cars and parts more price competitive. Honda Motor said global sales jumped 19 percent to 3.82 million vehicles, while Nissan Motor logged a 5.8 percent sales growth to 4.94 million vehicles.

This year, Toyota aims to improve on its record for this year to sell 9.91 million cars worldwide.

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J. Richard Hackman, an Expert in Team Dynamics, Dies at 72

J. Richard Hackman, a Harvard psychology professor whose fieldwork sometimes took him to the cockpit of an airliner to observe the crew in a nearly five-decade quest to determine the dynamics of teamwork and effective leadership, died on Jan. 8 in Boston. He was 72.

The cause was lung cancer, his wife, Judith Dozier Hackman, said.

Dr. Hackman, the author or co-author of 10 books on group dynamics, was the Edgar Pierce professor of social and organizational psychology at Harvard.

In one of his best-known books, “Leading Teams: Setting the Stage for Great Performances” (2002), he replaced the popular image of the powerful “I can do it all” team leader with that of someone who, as he wrote, had the subtle skills “to get a team established on a good trajectory, and then to make small adjustments along the way to help members succeed.”

The conditions for a successful team effort — among them “a compelling direction, an enabling team structure, a supportive organizational context and expert team coaching” — “are easy to remember,” Dr. Hackman wrote.

“The challenge,” he continued, “comes in developing an understanding of those conditions that is deep and nuanced enough to be useful in guiding action, and in devising strategies for creating them even in demanding or team-unfriendly organizational circumstances.”

Besides tracking the interplay of pilots, co-pilots and navigators aboard civilian and military planes, Dr. Hackman observed corporate boards, sports teams, orchestra players, telephone-line repair crews, hospital workers and restaurant kitchen staff members.

And in recent years, for his 2011 book, “Collaborative Intelligence,” he was allowed to observe interactions within the American intelligence, defense, law-enforcement and crisis-management communities.

“Although my main aspiration has been to provide guidance that will be useful to team leaders and members,” he wrote, “there are no ‘one-minute’ prescriptions here — creating, leading and serving on teams is not that simple.”

Anita Woolley, a professor of organizational behavior and theory at the Tepper School of Business at Carnegie Mellon University in Pittsburgh, said, “The key thing about Dr. Hackman’s work is that it stands in contrast to some of the more popular models of leadership that focused very much on style or how leaders behave, versus what they do.”

Rather than viewing pay as a prime motivator for good performance, she continued, “he focused on features of people’s jobs that made them more intrinsically satisfied: the freedom to determine how they conduct their work, having a variety of tasks, having knowledge of the ultimate outcomes of their work, knowing how their work affects or is received by other people.”

He also liked to overturn some of the received wisdom about teamwork. In a 2011 article for The Harvard Business Review, Dr. Hackman listed “Six Common Misperceptions About Teamwork.” Among them was this:

“Misperception No. 2: It’s good to mix it up. New members bring energy and fresh ideas to a team. Without them, members risk becoming complacent, inattentive to changes in the environment, and too forgiving of fellow members’ misbehavior.

“Actually: The longer members stay together as an intact group, the better they do. As unreasonable as this may seem, the research evidence is unambiguous. Whether it is a basketball team or a string quartet, teams that stay together longer play together better.”

John Richard Hackman was born in Joliet, Ill., on June 14, 1940, the only child of J. Edward and Helen Hackman. His father was an oil pipeline engineer, his mother a schoolteacher.

Dr. Hackman received a bachelor’s degree in mathematics from MacMurray College in Jacksonville, Ill., in 1962, and a doctorate in psychology from the University of Illinois in 1966. He soon joined the psychology and administrative sciences department faculties at Yale, where he taught until 1986, when he moved to the psychology and business departments at Harvard.

Besides his wife, who is an associate dean at Yale, he is survived by two daughters, Julia Beth Proffitt and Laura Dianne Codeanne, and four grandchildren.

After Dr. Hackman died, The Harvard Crimson wrote that for years he had “devoted countless hours to improving one team in particular — the Harvard women’s basketball squad, for which he volunteered as an honorary coach.”

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Well: Ask Well: Squats for Aging Knees

You are already doing many things right, in terms of taking care of your aging knees. In particular, it sounds as if you are keeping your weight under control. Carrying extra pounds undoubtedly strains knees and contributes to pain and eventually arthritis.

You mention weight training, too, which is also valuable. Sturdy leg muscles, particularly those at the front and back of the thighs, stabilize the knee, says Joseph Hart, an assistant professor of kinesiology and certified athletic trainer at the University of Virginia, who often works with patients with knee pain.

An easy exercise to target those muscles is the squat. Although many of us have heard that squats harm knees, the exercise is actually “quite good for the knees, if you do the squats correctly,” Dr. Hart says. Simply stand with your legs shoulder-width apart and bend your legs until your thighs are almost, but not completely, parallel to the ground. Keep your upper body straight. Don’t bend forward, he says, since that movement can strain the knees. Try to complete 20 squats, using no weight at first. When that becomes easy, Dr. Hart suggests, hold a barbell with weights attached. Or simply clutch a full milk carton, which is my cheapskate’s squats routine.

Straight leg lifts are also useful for knee health. Sit on the floor with your back straight and one leg extended and the other bent toward your chest. In this position, lift the straight leg slightly off the ground and hold for 10 seconds. Repeat 10 to 20 times and then switch legs.

You can also find other exercises that target the knees in this video, “Increasing Knee Stability.”

Of course, before starting any exercise program, consult a physician, especially, Dr. Hart says, if your knees often ache, feel stiff or emit a strange, clicking noise, which could be symptoms of arthritis.

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Well: Ask Well: Squats for Aging Knees

You are already doing many things right, in terms of taking care of your aging knees. In particular, it sounds as if you are keeping your weight under control. Carrying extra pounds undoubtedly strains knees and contributes to pain and eventually arthritis.

You mention weight training, too, which is also valuable. Sturdy leg muscles, particularly those at the front and back of the thighs, stabilize the knee, says Joseph Hart, an assistant professor of kinesiology and certified athletic trainer at the University of Virginia, who often works with patients with knee pain.

An easy exercise to target those muscles is the squat. Although many of us have heard that squats harm knees, the exercise is actually “quite good for the knees, if you do the squats correctly,” Dr. Hart says. Simply stand with your legs shoulder-width apart and bend your legs until your thighs are almost, but not completely, parallel to the ground. Keep your upper body straight. Don’t bend forward, he says, since that movement can strain the knees. Try to complete 20 squats, using no weight at first. When that becomes easy, Dr. Hart suggests, hold a barbell with weights attached. Or simply clutch a full milk carton, which is my cheapskate’s squats routine.

Straight leg lifts are also useful for knee health. Sit on the floor with your back straight and one leg extended and the other bent toward your chest. In this position, lift the straight leg slightly off the ground and hold for 10 seconds. Repeat 10 to 20 times and then switch legs.

You can also find other exercises that target the knees in this video, “Increasing Knee Stability.”

Of course, before starting any exercise program, consult a physician, especially, Dr. Hart says, if your knees often ache, feel stiff or emit a strange, clicking noise, which could be symptoms of arthritis.

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Gadgetwise Blog: App Smart Extra: On the Slopes

Apps that add a technological edge to your skiing or snowboarding vacation were the subject of a recent App Smart column. But the column could barely make a dent in discussing all the apps available to help winter sports enthusiasts. Here are some more suggestions.

One class of app that can be both helpful and fun is those apps that link you to the different Web cams that many resorts now have on the mountainsides. The Ski Webcams app, free on iTunes or $1.59 on Android, is one of the best of these. It can link you to resort Web cams either near your location or from a very extensive list or, just for fun, to random cams from around the world. It’s a very no-frills app. But it does tell you when each image was collected so you can see how up-to-date the picture is. And you can zoom into the images, which is useful for high-res video feeds.

For a different type of ski app experience, you may love the free iOS app SloPro. It’s a video editing app that offers a rather cool trick: the ability to slow a movie clip down to super slow motion, like the effects you get in sports videos shown on TV. These effects happen through image processing inside the app, so they’re not as eye-catching as using a slow-motion camera to film a skier making a jump, for example. But the effects are impressive, once you’ve mastered the app’s slightly tricky interface. And if you’re on a snow vacation with some friends, then you may be able to achieve some amazingly dramatic film clips.

There are also many apps available that are resort-specific, but since these come from different app developers their quality varies. For example the Val d’Isère Ski Guide app for Android, for the very popular French ski resort, has a pretty basic and uninspiring interface but offers detailed information on up-to-the-minute events, weather and facilities in the town. The $1 iOS app Live North Lake Tahoe is more graphically clever, and thus a little easier to navigate. It also offers a few niceties like a piste map and road cameras so you can plan your journey around traffic or difficult weather. But it does cost soemthing, and offers you services you could get for free by downloading one or two other free apps.

It’s definitely worth spending some time checking out what’s available for your chosen resort before you head off on a ski trip.

Quick call

Delta Airlines has released a free iPad app that has many typical services like destination maps and social networking tools. But it also has a “Glass Bottom Jet” option in-flight that shows an image of the ground underneath your aircraft’s flight path, assuming you’re hooked up to the airline’s in-plane Wi-Fi network.

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IHT Rendezvous: 'Real' Life in North Korea

BEIJING — With North Korea in the headlines again amid concerns it could explode a third, more powerful nuclear device, many people around the world may be wondering: What are they like?

North Korea is “a real country with real people,” wrote John Everard, a former British ambassador to Pyongyang, in The Independent on Sunday.

“Above all, North Koreans are sharply differentiated human beings, with a good sense of humor and are often fun to be with,” wrote Mr. Everard, who lived in the North Korean capital from 2006 to 2008 and is the author of a recent book about his time there, titled, “Only Beautiful, Please.”

Their everyday concerns “are often not so very different from our own: their friends, how their children are doing at school, their jobs and making enough money to get by.”

Mr. Everard’s stay in Pyongyang took in the time of North Korea’s first nuclear test. This article on 38 North, a Web site that follows the country closely, shows how the rest of the world is watching to see whether another nuclear detonation is imminent.

Tensions have grown since North Korea launched a rocket in December, provoking a new U.N. Security Council resolution last week condemning the launching and calling for a tightening of sanctions against the country. In a sign it’s really serious, even China, the North’s longtime ally, voted for the resolution.

In response, North Korea “bluntly threatened the United States, saying North Korea had no interest in talks on denuclearizing itself and would forge ahead with its missile and weapons development, with the goal of attaining the capability to hit American territory,” my colleagues Choe Sang-hun and Rick Gladstone wrote.

Against this nasty background, Mr. Everard shows the human dimension of citizens living in Pyongyang, focusing on a group of people he says he got to know fairly well; not the inner circle of power, but not the poor of the countryside, either. “They were executives rather than leaders.”

As nknews.org wrote last year, “Foreigners are allowed within a 35 km radius of Pyongyang, and Everard took every opportunity to visit and document within this area.”

So what were they like?

Over all, “Their lives would seem very dull to most Westerners,” Mr. Everard wrote. “They revolved around daily rituals of carefully phased breakfasts in overcrowded flats, tedious journeys to work (often prolonged because Pyongyang’s rickety public transport so often broke down), and generally tedious work days.”

Tedious, maybe, but “relaxed.” Yet, working day done, getting home wasn’t always easy. “Some of my contacts refused to use the Pyongyang metro because of the risk of a power cut while they were in a tunnel.” Some chose to walk home.

They were curious about the world. “I once lent one a set of DVDs of ‘Desperate Housewives’ and met the same person the next day with big rings under their eyes. They had sat up all night and watched the entire series in one sitting,” he wrote.

More fun, perhaps, than a visit home: “My contacts spoke of their parents with respect rather than affection, and chafed at the Confucian authority that they exercised. Visits to their homes seemed to be a duty rather than a pleasure, particularly when they involved dressing children up in their best and crossing Pyongyang (especially in autumn, when the city gets muddy – a difficult time to deliver clean children to grandparents),” he wrote.

Intriguingly, “Alcoholism and prostitution were rampant within the capital,” nknews.org reported, from a talk Mr. Everard gave last year.

And, “Although they all had access to showers, none could remember when they had last had one with hot water. Taking a cold shower in the Pyongyang winter, when temperatures can fall to -20C, is not fun,” Mr. Everard wrote in The Independent.

Most people he mingled with had enough food – but it wasn’t varied or tasty. “These people did not eat well, but at least they ate regularly,” mostly rice and boiled vegetables. And kimchi.

“Evening life at home revolved around chatting with family members and watching TV,” he wrote. “Sometimes there would be a film on. Even though North Korea had hardly produced any new films for some years before my time there, so that my contacts had seen almost all the national repertoire several times, they would still sometimes watch repeats. But the best time was the half-hour of (heavily edited and slanted) international news on Sunday evenings. Everyone watched that, and questioned me about what they had seen.”

While the anti-American propaganda the state puts out is powerful, not everyone believed it, Mr. Everard wrote.

“They had been taught to hate Americans, but most of them did not. One of them told me that they had worked with Americans during one of the thaws in relations with that country, had liked them and hoped that they would return,” wrote Mr. Everard. Of course this all was based on experiences that ended in 2008, but it’s unlikely attitudes have changed fundamentally since then, despite the latest round of threats to target the United States.

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Labor Relations Board Rulings Could Be Undone

By ruling that Mr. Obama’s three recess appointments last January were illegal, the federal appeals court ruling, if upheld, would leave the board with just one member, short of the quorum needed to issue any rulings. The Obama administration could appeal the court ruling, but no announcement was made on Friday.

If the Supreme Court were to uphold Friday’s ruling, issued by the United States Court of Appeals for the District of Columbia Circuit, it would mean that the labor board did not have a quorum since last January and that all its rulings since then should be nullified.

Many Republicans and business groups applauded Friday’s ruling. They often assert that the appointments Mr. Obama made to the board have transformed it into a tool of organized labor. But many Democrats and labor unions say Mr. Obama’s appointments restored ideological balance to the board after it was tipped in favor of business interests under President George W. Bush

Mark G. Pearce, the board’s chairman, issued a statement saying the board disagreed with the ruling and suggested that other appeals courts hearing cases about the constitutionality of Mr. Obama’s appointments could reach a different conclusion.

“In the meantime, the board has important work to do,” said Mr. Pearce, whose agency oversees enforcement of the laws governing strikes and unionization drives. “We will continue to perform our statutory duties and issue decisions.”

Unless the Senate confirms future nominees to the board — Senate Republicans have blocked several of Mr. Obama’s board nominees — Mr. Pearce will be the only member left if Friday’s ruling is upheld. The board has five seats.

Representative Darrell Issa, a California Republican who is the chairman of the Oversight and Government Reform Committee, issued a statement that urged the recess appointees to “do the right thing and step down.” He added, “To avoid further damage to the economy, the N.L.R.B. must take the responsible course and cease issuing any further opinions until a constitutionally sound quorum can be established.”

The three disputed recess appointees included two Democrats, Sharon Block, deputy labor secretary, and Richard Griffin, general counsel to the operating engineers’ union; and one Republican, Terence Flynn, a counsel to a board member. Mr. Flynn resigned last May after being accused of leaking materials about the group’s deliberations. Another Republican member, Brian Hayes, stepped down when his term expired last month.

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40 Years After Roe v. Wade, Thousands March to Oppose Abortion

Drew Angerer/The New York Times

Pro-life activists made their way down Constitution Avenue toward the Supreme Court during the March for Life in Washington on Friday.

WASHINGTON — Three days after the 40th anniversary of the decision in Roe v. Wade, the landmark Supreme Court case that legalized abortion, tens of thousands of abortion opponents from around the country came to the National Mall on Friday for the annual March for Life rally, which culminated in a demonstration in front of the Supreme Court building.

On a gray morning when the temperature was well below freezing, the crowd pressed in close against the stage to hear more than a dozen speakers, who included Tony Perkins, the president of the Family Research Council; Representative Diane Black, Republican of Tennessee, who recently introduced legislation to withhold financing from Planned Parenthood, and Senator Rand Paul, Republican of Kentucky; Cardinal Seán Patrick O’Malley of Boston; and Rick Santorum, the former senator from Pennsylvania and Republican presidential candidate.

Mr. Santorum spoke of his wife’s decision not to have an abortion after they learned that their child — their daughter Bella, now 4 — had a rare genetic disorder called Trisomy 18.

“We all know that death is never better, never better,” Mr. Santorum said. “Bella is better for us, and we are better because of Bella.”

Jeanne Monahan, the president of the March for Life Education and Defense Fund, said that the march was both somber and hopeful.

“We’ve lost 55 million Americans to abortion,” she said. “At the same time, I think we’re starting to win. We’re winning in the court of public opinion, we’re winning in the states with legislation.”

Though the main event officially started at noon, the day began much earlier for the participants, with groups in matching scarves engaged in excited chatter on the subway and gaggles of schoolchildren wearing name tags around their necks. Arriving on the Mall, attendees were greeted with free signs (“Defund Planned Parenthood” and “Personhood for Everyone”) and a man barking into a megaphone, “Ireland is on the brink of legalizing abortion, which is not good.”

The march came two months after the 2012 campaign season, in which social issues like abortion largely took a back seat to the focus on the economy. But the issue did come up in Congressional races in which Republican candidates made controversial statements about rape or abortion. In Indiana, Richard E. Mourdock, a Republican candidate for the Senate, said in a debate that he believed that pregnancies resulting from rape were something that “God intended,” and in Illinois, Representative Joe Walsh said in a debate that abortion was never necessary to save the life of the mother because of “advances in science and technology.” Both men lost, hurt by a backlash from female voters.

Recent polls show that while a majority of Americans do not want Roe v. Wade to be overturned entirely, many favor some restrictions. In a Gallup poll released this week, 52 percent of those surveyed said that abortions should be legal only under certain circumstances, while 28 percent said they should be legal under all circumstances, and 18 percent said they should be illegal under all circumstances. In a Pew poll this month, 63 percent of respondents said they did not want Roe v. Wade to be overturned completely, and 29 percent said they did — views largely consistent with surveys taken over the past two decades.

“Most Americans want some restrictions on abortion,” Ms. Monahan said. “We see abortion as the human rights abuse of today.”

Speaker John A. Boehner of Ohio, who spoke via a recorded video, called on the protest group, particularly the young people, to make abortion “a relic of the past.”

“Human life is not an economic or political commodity, and no government on earth has the right to treat it that way,” he said.

The crowd was dotted with large banners, many bearing the names of the attendees’ home states and churches and colleges. Gary Storey, 36, stood holding a handmade sign that read “I was adopted. Thanks Mom for my life.” Next to him stood his adoptive mother, Ellen Storey, 66, who held her own handmade sign with a picture of her six children and the words “To the mothers of our four adopted children, ‘Thank You’ for their lives.”

Mr. Storey said he was grateful for the decision by his biological mother to carry through with her pregnancy. “Beats the alternative,” he joked.

Last week, the Planned Parenthood Federation of America started a new Web site, and on Tuesday, its president, Cecile Richards, released a statement supporting abortion rights.

“Planned Parenthood understands that abortion is a deeply personal and often complex decision for a woman to consider, if and when she needs it,” she said. “A woman should have accurate information about all of her options around her pregnancy. To protect her health and the health of her family, a woman must have access to safe, legal abortion without interference from politicians, as protected by the Supreme Court for the last 40 years.”

This article has been revised to reflect the following correction:

Correction: January 25, 2013

A summary that appeared on the home page of NYTimes.com with an earlier version of this article misstated the day of the march. It took place on Friday, not Thursday.

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