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Byline: Gretchen Reynolds SAINT-DENIS, France - A long dry spell for U.S. artistic swimming ended with a splash Wednesday night, when the Americans took the silver medal at the Paris [...]

Byline: Gretchen Reynolds Ask Olympians what keeps them awake at night and many, without irony, will say sleep problems. In fact, sleep issues topped the list when U.S. Olympic team [...]

Byline: Gretchen Reynolds, Teddy Amenabar After Olympic triathlon swimmers from Belgium and Switzerland dropped out of the mixed relay competition due to illness, new questions are being raised about whether [...]

Byline: Gretchen Reynolds, Julia Wall What does it take to be a U.S. Olympic artistic swimmer? At a minimum, it demands endurance, power, leonine grace, hair gelatin, dance lessons, mastery [...]

Byline: Gretchen Reynolds, Teddy Amenabar When Alex 'Spiff' Sedrick dashed more than 100 yards up the pitch to score in the waning seconds of the U.S. women's rugby sevens team's [...]

Byline: Gretchen Reynolds Getting uniquely up close and personal, NBC on Sunday broadcast data from a heart-rate monitor strapped to Henry Rivera, father of 16-year-old American gymnast Hezly Rivera, during [...]

Byline: Gretchen Reynolds, Julia Wall There's one question Olympic water polo goalie Ashleigh Johnson hears all the time: âHow does she take care of her skin and hair?â The first [...]

Byline: Gretchen Reynolds The fatigue and pangs of pregnancy have made many women feel older than their years. Now thereÇÖs new research that suggests pregnancy may, in fact, accelerate the [...]

Byline: Gretchen Reynolds The new weight-loss drugs that suppress appetite and reduce food cravings can be quite effective at helping people drop pounds, with many losing at least 10 or [...]

Byline: Gretchen Reynolds Anyone whoâs ever wobbled around awkwardly in high heels may be surprised by the findings of a much-discussed biomechanics study of the footwear. In the study, young [...]

Byline: Caitlin Gilbert, Gretchen Reynolds, Richard Sima, Teddy Amenabar Have you ever mixed up the names of your children? Struggled to remember key dates or the year a loved one [...]

Byline: Gretchen Reynolds For lessons on how to age well, we could do worse than turn to Richard Morgan. At 93, the Irishman is a four-time world champion in indoor [...]

Byline: Gretchen Reynolds Exercising for 25 minutes a week, or less than four minutes a day, could help to bulk up our brains and improve our ability to think as [...]

Byline: Gretchen Reynolds To understand how well youâre aging, try calculating your fitness age. Fitness age is a well-studied scientific concept that uses a few, simple health measures to estimate [...]

Byline: Gretchen Reynolds Making exercise resolutions for 2024 is easy. It's much harder to follow through. But these seven tips offer some surprisingly simple and practical ways to establish exercise [...]

Byline: Gretchen Reynolds Contrary to popular wisdom among many gym-goers and even some scientists, healthy people in their 60s, 70s and beyond can safely start lifting weights and rapidly build [...]

Byline: Gretchen Reynolds, Teddy Amenabar and William Neff During your next golf foursome, eyeball your three companions. One of you may be about to hurt your back, if you haven't [...]

Byline: Gretchen Reynolds In news that we shouldn't take sitting down, a study just published in JAMA finds that people who stay seated for long hours at work and home [...]

Byline: Gretchen Reynolds If you want to burn as much body fat as possible while you exercise, ignore the charts at your gym showing generic 'fat-burning zones.' Instead, try these [...]

Byline: Gretchen Reynolds If you were too busy working this week to work out, a new study has cheery news. It found that weekend warriors, or people who jammed almost [...]

Byline: Gretchen Reynolds Correction: An earlier version of the article referred to Ozempic as a weight-loss drug. Some patients are taking it to lose weight, but the drug has been [...]

Byline: Gretchen Reynolds If you've ever felt apprehensive about weight training, worried it's too complicated or physically demanding, new research about lifting practically bulges with encouraging news for you. In [...]

Byline: Gretchen Reynolds Summer's heat is sizzling right now in much of the United States, making outdoor exercise difficult and draining. For many of us, the safest, easiest response is [...]

Byline: Gretchen Reynolds As any sports fan knows, a torn anterior cruciate ligament - or ACL - is a common and dreaded injury, sidelining thousands of athletes every season. Several [...]

Byline: Gretchen Reynolds Many competitive athletes, especially cyclists and runners, swear by ketone drinks, a popular sports supplement that promises to improve athletic performance by packing many of the purported [...]

Byline: Gretchen Reynolds Exercise can make you hungry. But if you pick the right workout, you're less likely to overeat. New research suggests up-tempo, high-energy workouts, even if they are [...]

Byline: Gretchen Reynolds - - - Correction: A previous version of this article misidentified Janet Fulton as chief of the Physical Activity and Health Branch at the Centers for Disease [...]

Byline: Gretchen Reynolds As smoke from wildfires in Canada migrates south and blankets the northern United States with air the color and aroma of char, many people are probably wondering: [...]

Byline: Gretchen Reynolds Exercise can sharpen your thinking and keep your brain healthy as you age - even if you don't start exercising until later in life. That's the finding [...]

Byline: Gretchen Reynolds Protein is the macronutrient of the moment. On TikTok, videos with the hashtag #protein have been viewed more than 9.1 billion times, with influencers swearing the nutrient [...]

Byline: Gretchen Reynolds Exercise is, without question, good for our hearts. But can we potentially get too much of a good thing? A growing body of science, including a new [...]

Byline: Gretchen Reynolds What you are about to read is a call to arms - and shoulders and pecs and abs, a guide to why almost all of us should [...]

Byline: Gretchen Reynolds At a moment when substance-use disorders and overdoses are on the rise, new research offers hope for the addicted: People who exercised as part of their addiction [...]

Byline: Gretchen Reynolds When springtime temperatures spike and your usual outdoor ride, run and walk suddenly feels sizzling and punishing, it may be time to take - a hot bath. [...]

Byline: Gretchen Reynolds If you want to clear your mind and hone your attention, walk around a park for 15 minutes. Research suggests moving your workout outside can be a [...]

Byline: Gretchen Reynolds To build a better brain, just exercise. That's the message of two important new studies of how physical activity changes our minds. In one, scientists delved into [...]

Byline: Gretchen Reynolds Many of us worry that we don't get enough exercise. But the mere belief that we aren't moving enough can have negative consequences for our health, according [...]

Byline: Gretchen Reynolds Your gut may help motivate you to exercise. Or it might nudge you to skip your workout. Which direction you take appears to be influenced by your [...]

Byline: Gretchen Reynolds Walking for at least 11 minutes every day could lower your risk of premature death by almost 25 percent, according to the largest study to date of [...]

Byline: Gretchen Reynolds Afternoon exercise may reduce the risks of premature death more than morning or evening workouts, according to a new large-scale study of more 90,000 men and women. [...]

Byline: Gretchen Reynolds Whether it's Valentine's Day, the next day or pretty much any day throughout the entirety of a typical year, many couples will be indulging in sexual relations. [...]

Byline: Gretchen Reynolds and Teddy Amenabar Two years ago, 12-year-old Molly Steinsapir was sitting behind her best friend on a borrowed electric bike when the girls started descending a steep [...]

Byline: Gretchen Reynolds For many people who run, cycle or work out often, beer drinking and exercising are almost inextricably entwined. But for performance, recovery and health, nonalcoholic beer is [...]

Byline: Gretchen Reynolds Want to know how well you're aging? Check your grip strength. A recent study of 1,275 men and women found that those with relatively feeble handgrip strength, [...]

Byline: Gretchen Reynolds Lifting weights once a week for about 15 minutes, using six basic moves, could be all the resistance exercise most of us need to build and maintain [...]