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The prosecutor in the Oscar Pistorius bail hearing claimed that the athlete was found with a box of steroids. How likely is it that PEDs could contribute to a murderous rampage?

A new study shows that specializing in a sport increases your risk of injury 1.5 times, but can we trust the findings?

The upstart climbing phenomenon reveals the secrets to his success

Yoga has been called the cure for all ailments, but most practitioners aren't aware of the potential hazards

Wolfing down an entire day's worth of food in under a minute can lead to serious digestive problems

With the death of a London Marathon runner now linked to a popular sports supplement, we had to ask

A new study shows that warm-ups are best served short, but can we trust the results?

My buddies and I are training for a race together, and the other day we got on the topic of pre-sporting event sex. Some of the guys swear it can have a negative impact on race-day performance; I say it helps calm my nerves. Who’s right?

A new study shows that a polarized training approach leads to the biggest fitness gains, but can we trust the results?

Every option, from Strava to MapMyFitness, offers a different set of features. Use this handy guide to determine which one will most help you achieve your fitness goals.

Andy Potts' key to a fast run? Stay tall. Greg McMillan, of McMillan Running in Flagstaff, Arizona, explains how to avoid hunching over, for a more efficient stride.

For Potts, the fastest American finisher at the 2012 Ironman World Championship, breakthrough performances mean paying attention to the little things. Even your socks.

Take their advice

Do you have a healthy social-fitness life? It all depends on your motivation.

I live in Minnesota, so for half of the year I either exercise indoors or am pretty covered up. How often should I be screened for skin cancer?

Bacon and cheese and peanut butter biscuits

When elite athletes like three-time Olympic volleyball gold medalist Kerri Walsh and daredevil spaceman Felix Baumgartner are in a slump, they go see Los Angeles sports psychologist Michael Gervais. Sometimes boosting your performance requires sitting on a couch.

It’s not just the pros who can benefit from a few sessions with a sports psychologist. Here’s how you can, too.

My gym has one of those vibration machines that’s supposed to help you lose weight by standing on it. Do these things really work—and are they safe?

Decades of research into the compounds that make up snake venom has led to some startling discoveries

As climbing moves toward its shot at the Olympics, the stakes are rising for the next generation of athletes. Will the temptation to get an edge be too much for some of them to handle?

David Roth went to the Monster Energy Invitational, and he found a sport still trying to figure out how to make its place on the American sports landscape

When he competes in triathlons, nine-year-old Conner Green puts in extra work so that his seven-year-old brother Cayden Long can race with him. Cayden has cerebral palsy and can't walk on his own. In the swim portion, Connor pulls Cayden in a raft. In the running portion, he…

I’ve heard a lot about how exercise can help me live longer, but does it matter what type of exercise I do?

Do athletes have a higher pain tolerance?

If I want to drop pounds in the new year, should I focus more on cardio conditioning or strength training?

A year of questioning the truth

A recent study in the British Journal of Clinical Pharmacology found that EPO doesn't better performance in elite athletes, but it made a few critical errors in coming to that conclusion

I want this to be the year that I finally get in shape and stay in shape—but I say that every year. How can I actually make my resolutions stick for once?

14 simple habits that will change your life.

�����ԹϺ���, inside, gravity, space, time, whatever: this thing transcended every boundary

Considering that he’s already devised miracle shortcuts for jobs (The 4-Hour Workweek) and fitness (The 4-Hour Body), you might think Tim Ferriss, king of life hacking, would find few challenges in cooking. Wrong. It “kicked my ass so many times,” he writes in the first chapter of his latest book, The 4-Hour Chef, out this month from

Probably not

I’ve read a lot of claims recently that exercise makes you smarter. But how, exactly, does it work?

I’ve been having trouble with Achilles tendinosis, so a friend mentioned that I should look into prolotherapy. What’s the difference between that and PRP, and is it worth it?

Does the cyclist in your life stump you when it’s gift-giving time? Are you a rider who geeks out on trying the latest and greatest bike-related anything as soon as it becomes available? Schwagbox, started by the guys who run Bikerumor.com, ships a selection…

Weekend gladiators are lining up in droves to risk hypothermia and electroshock in obstacle races by the millions and contributing to one of the fastest growing industries in our world

Pain is the name of the game at Tough Mudder, Spartan Race, and other big obstacle-course races

Is it therapy for a society deeply affected by the wars of our time, a renegade sport for rebels who can't stand rules and restrictions, or something else entirely?

I’m usually not hungry right after I work out. Does exercise suppress appetite? If so, how does that affect weight loss?

Is bar soap clean because it’s soap, or can it transfer bacteria commonly spread among athletes like MRSA?

Everything you need to improve your time on the course

I have trouble figuring out how I should be training during the holidays, when the weather’s dreary, the food’s plentiful, and I don’t have any races planned. But I don’t want to pull a Jan Ullrich. What should I do?

Chrissie Wellington. Photo: Triitalian/Flickr Triathlete Chrissie Wellington announced on her blog yesterday that she is retiring from Ironman triathlons. Wellington won the Ironman World Championship in 2007, 2008, 2009, and 2011. The 35-year-old…

I hike every Wednesday morning at 6:30 a.m. with two friends. They're very fast and charge right up the hill, whereas I'm much slower at that time of the morning. But in the afternoon, I'm much faster. Is there any physiological or scientific reason why one person is faster in the morning and another is faster in the afternoon? And is there any truth to "morning" people and "nighttime" people in terms of athletic performance?

Six natural prescriptions for improving your body and mind

Six all-natural (yet scientific) strategies for improving your mind and body

How research supports the therapeutic benefits of playing outside

These days, screen-addicted Americans are more stressed out and distracted than ever. And there’s no app for that. But there is a radically simple remedy: get outside. Florence Williams travels to the deep woods of Japan, where researchers are backing up the theory that nature can lower your blood pressure, fight off depression—and even prevent cancer.

Just about every time I work out, my face turns beet red. Sometimes it lasts long after I’ve stopped exercising, which makes running during my lunch break difficult. Why does this happen? And is there anything I can do about it?

When his wife Amy showed up with a Labrador Retriever, Jeff Supergan wasn't sure it made sense. He had never had a dog before, and, being confined to a wheelchair, didn't know if he could handle it. But when Amy's doctors discovered an unexpected brain tumor, the dog ended up taking care of them both.

Len Stanmore, 60, is currently in Antarctica, competing in one of the world's most grueling footraces. If he completes it, he'll not only be a one-time overweight retiree who got sick of the golf course, but also the first person to climb the Seven Summits, ski to both poles, and complete the 4 Deserts Grand Slam.

A new field guide and cookbook from the staff of one of New York's top restaurants offers a simple, gourmet take on wild foods

In this excerpt from his newest book, The 4-Hour Chef, Timothy Ferriss shares �����ԹϺ��� contributing editor Steven Rinella's instructions for cooking up a squirrel (or three) over the fire

By Elizabeth Eilers Sullivan Part of eating healthily is learning how to love the good stuff and self-regulate the sweets. Photo: Elizabeth Sullivan How many times have you heard yourself cajoling your kids with the phrase, Just take two more bites? Or, You can’t have dessert…

In this excerpt from his newest book, The 4-Hour Chef, Timothy Ferriss shares the fire cooking technique of Francis Mallmann, the Argentine figurehead of grilling

How does implanted saline and silicone behave under extreme conditions, whether at jet-cruising altitude or during a deep-sea dive?

Tired of turkey? Replace the bird with one of these four sustainable wild meats (plus one vegan alternative)

In this excerpt from his newest book, The 4-Hour Chef, Timothy Ferriss shares Marco Canora's sure-fire technique for carving chickens into thighs, legs, wings, and breasts

As an athlete who spends a lot of time in the sun, I wonder if I should be taking sunscreen pills. Do they work as well as lotions?

Wildness is all around. Photo: Katie Arnold Last week, I was hiking with a friend on a trail in town. We’ve been doing this once a week for two years, and in that time, we’ve developed a system: On the way up, we hike in silence…

I always get the post-workout chills, even when it’s warm outside. What causes them, and is there anything I can do to avoid it in future?

I like to work out during my lunch break, but I just switched jobs and my new office building doesn’t have showers. How important is it that I shower after working out?

I heard alternating hot and cold water is just as effective as an ice bath at speeding up recovery, but way less painful. Is this true? How do I do it?

An Olympic sport at the turn of the 20th century tries to find its way back into the modern Games

Pumpkins are cheap, local, and plentiful at this time of year. Should I fit them into my diet?

Is it true that sleeping well two nights before an event is more important than sleeping well the night before?

Heidi Volpe speaks with Rich Roll about his transformation from addict to ultra-endurance athlete

I’ve been reading about how sitting at work all day can cause heart attacks and early death. But if I’m training 15 hours a week, should I still get a standing desk, or do I need to sit to recover faster?

How can you have both a career and enough time for adventure? The new video series Balance offers its answer to that question by profiling three men who have found different ways to make a living and enjoy their favorite outdoor sports. Catch the trailer above, and a new episode…

Taking Fido along for a hike in the woods can be rewarding and fun, but you need to be prepared in the event of an unexpected emergency

I read that the human sleep cycles last 90 minutes, so people are more rested if they sleep in increments of 90 minutes—7.5 hours, for example, is better than eight. Is that true? And what about sleeping for 4.5 hours at night, then supplementing with a few 90-minute naps? Is that the same as sleeping for 7.5 hours?

Rick Paulas takes a look at Allen Carr's The Easy Way to Stop Smoking and wonders if the author might actually be right

When I was in college, the head of athletics held an all-team meeting at which he said that every alcoholic drink we had would set us back a week of training. True or false?

The difference between hitting the summit and hitting the wall often comes down to the fuel in your belly. Here, 11 pros share their favorite nutritional secrets and performance-enhancing recipes.

The difference between hitting the summit and hitting the wall often comes down to the fuel in your belly. Here, 11 pros share their favorite nutritional secrets and performance-enhancing recipes.

The difference between hitting the summit and hitting the wall often comes down to the fuel in your belly. Here, 11 pros share their favorite nutritional secrets and performance-enhancing recipes.

The difference between hitting the summit and hitting the wall often comes down to the fuel in your belly. Here, 11 pros share their favorite nutritional secrets and performance-enhancing recipes.

The difference between hitting the summit and hitting the wall often comes down to the fuel in your belly. Here, 11 pros share their favorite nutritional secrets and performance-enhancing recipes.

The difference between hitting the summit and hitting the wall often comes down to the fuel in your belly. Here, 11 pros share their favorite nutritional secrets and performance-enhancing recipes.