Planners of cities both large and small are working overtime to build the parks, trails, and bike paths to help residents be more active than ever

Studies have shown that being outside has positive psychological and physiological benefits. Can the nature cure compete with Xanax?

Health and fitness columnist Brad Stulberg shares his tips on how to ensure that an active life and city life are not mutually exclusive

A morning run or evening spin class may feel great, but if the rest of your day involves sitting on your ass, a brief burst does little for your overall well-being.

The key to peak performance: take better care of yourself

Expert interviewer Tim Ferriss has some tips

Whether you’re an elite athlete or a restless desk jockey, there are better ways to achieve your goals. Just ask 4-Hour guru Tim Ferriss, who started quizzing the world’s greatest performers on their routines as a side project—and ended up with a whole new approach to training.

A growing number of ­scientists, athletes, and even a retired general believe that ­fasting leads to better health. Should you listen?

Heart-rate apps bring Olympic-caliber recovery to everyone

Sure, you could stick with your old routine. Or you could break out of your rut with the help of experts and elite athletes.

Standing desks may be all the rage, but learning to properly embrace your chair is the best way to survive the workday

When it comes to slumber, quality matters just as much as quantity

We can all get obsessive about our daily workouts. When does obsession turn to addiction?

The celebrated marathoner announced his retirement last week after a rough few years. His post-mortem: focusing on speed over volume may have prolonged his career.

Things that make our lives easier might also be hurting us. A new class of tough designs saves the day.

Long breath-holds put beginner freedivers at risk of abnormal cardiac rhythms

What would happen if we treated sleep as seriously as our diet?

Take it from the world-champion surfer: there’s a right time for working, competing—and fighting for your life

Take care of the two things that support you wherever you go—and endure the most abuse

DNA testing service 23andMe is now FDA approved

A handful of smart wearables promise to detect heat-related illnesses before they become dangerous. Trouble is, they're vastly over-promising on their abilities.

If you thought osteoporosis was only an issue for women and older men, you were wrong

In the future we’ll have fitness trackers that aren’t just fancy step-counters

There's no quick fix for post-traumatic stress disorder, but research has shown that surfing's physicality and flow can give victims some relief and a way forward. The author hit the water with his close friend Brian, a former Navy SEAL whose service in Afghanistan beat up his body, tortured his mind, and pushed him into a zone where violence—against himself or others—seemed inevitable.

How much water you actually need to drink and how to make sure you're actually drinking it

You’re strong when you run flats but as soon as you hit a hill, you’re gasping like a fish on land. Here’s what’s going on.

Want to continue to crush well into your 80s? Here’s how.

Take the appropriate precautions so you can concentrate on your ride, not the pain coming from your inner thighs

“Blue zones” where entire communities live longer, better lives aren't just for grownups. Here’s how you can craft them in your own neighborhood.

When the American cyclist quit the Tour, he did exactly what an athlete should do

When you're outdoors, you tend to worry about grizzly bears, sharks, and mountain lions. But the real dangers are the parasites and microbes you can't even see. Steven Rinella has been felled by the worst of them, and he offers an essential guide to prioritizing your panic.

Although the smart sensor part doesn't actually require the swimsuit

Four ways to avoid a potentially dangerous inflammatory response

Chad Brown put down a gun and picked up a fly-fishing rod. The Navy veteran turned gear designer now wants kids and vets to heal each other on the great American waters that saved his life.

Over the past decade, ultrarunning has gone from a fringe pursuit for distance freaks to a hypercompetitive sport attracting big-time sponsors. But a mysterious training condition is suddenly plaguing its ranks, robbing a generation of top athletes of their talents and forcing victims to wonder: Is it possible to love this sport too much?

Break out of the office zoo and run wild

The gear to make you (sleep) better in bed

Instruction in the art of mindfulness is emerging in grade schools around the country to help children relax, focus, and help others. But it still has a long way to go to become part of the curriculum nationwide.

Even if you run every morning and stand instead of sit at your desk all day, you may be dying inside

Base Camp ER founder Luanne Freer talks triage, altitude illness, and body recovery.

Elite moms are crushing races just months after giving birth. Can the rest of us do that, too?

You favorite supplements—now available in powder form

The science behind how logging lots and lots of miles fosters an unflappable demeanor—and how to get it yourself.

Set concrete goals, track your progress, and turn resolutions into habits.

Marathoner Shalane Flanagan proves you actually can trust a skinny chef

Secrets to slowing down at home without giving up on adventure

Microbes are now being hawked to athletes to prevent sickness and improve recovery. We talked to several experts to separate hype from fact.

You just have to tweak your training and eating habits. Here’s how.

Maybe. But first, don't assume you're actually iron deficient.

Discover Mount Hood at the bottom of your empty beer glass.

For the first time, the energy-boosting adhesives are being marketed specifically to athletes. Here's what you need to know about them.

Turns out your favorite dirtbag climbers aren't the only gross thing hanging out at the local wall.

We need standards in place to ensure we’re buying in-season produce from the growers themselves.

So conquer it with these six tips from cycling’s comeback queen, Alison Tetrick.

The key to contentment lies in these cute drawings.

These simple strategies will lift your mood, get you outdoors, and help you spend more time doing what you love.

There's no scientific evidence proving that salt therapy will make you a better athlete. But it can have some surprising health benefits that have nothing to do with the respiratory system.

Bottom line? Eat like an elite to maximize health and performance.

Our test subject spends two uncomfortable weeks getting too close to everyone in his life

We sacrificed our dignity in a Zumba class, but gained a new appreciation for ostentatious exercises and Top 40

It doesn't take much to feel like you've gotten away.

No one's life is Instagram-perfect. Would we be better off sharing the mundane and unattractive parts of ourselves?

Step away from the smartphone. Gaining control over your screen time doesn't have to mean swearing off all electronics—just setting a few sane rules. Do it, and you'll be happier in the end.

What man's best friend can teach us about being content

Stephanie Gilmore was a world-champion surfer when a brutal attack by a stranger nearly ended her career. Now she's back on top, with a sixth world title, and reveals how she found happiness again—in the most unexpected places.

Being in the zone. Zenning out. Whatever you call it, concentrating so deeply you don't even realize it is sublime.

Keri Herman only started skiing seriously in her senior year of college. Now she's an Olympian. Here's how she turned her late start into a competitive advantage.

Because no one podiums at noon or tags a summit at dusk without a proper first meal.

Used to be you had to live at altitude to adapt to it. But new research suggests that by training your respiratory muscles, you can teach yourself to perform better with less oxygen.

There's nothing wrong with tuning into a show while you're on a trainer. It can actually have some surprising benefits—if done in moderation.