Five great exercises you can do in just 20 minutes

Increase your hip flexibility and take your upper body and core strength to the next level

Keep ticks (and Lyme Disease) away this summer with a few simple guidelines

Is it true that your body can only digest a set amount of protein at a time? Two recent studies offer conflicting findings.

Several near deaths on the world’s highest peaks have shed light on a dangerous trend in mountaineering: rampant use of performance-enhancing drugs, particularly the powerful steroid dexamethasone. Devon O’Neil reports on how dope is corrupting the game.

Unlike the average couch potato, pros are self-regulating their calorie intake to match their activity level, and they’re consistently eating three meals a day

Body fat is just an inert layer of blubber, right? If only. New research shows that it's more like a toxic parasite that doesn't want to let go. The good news: if you exercise and eat right, you can force it to.

New technology is making it easier than ever for athletes to fine-tune their nutrition through blood analysis. Prepare to send in the vials.

A conversation with Dr. Stacy Sims, endurance runner, Ironman triathlete, and pro-elite road racer who has been studying the science of performance and nutrition for two decades

Some high-energy, athletic dogs, unable to sweat, will work to the point of self-injury, so make sure you're able to recognize the warning signs of exhaustion

No one said your New Year’s resolutions had to feel like punishment. Jump-start 2013 with one of these seven spirit-recharging escapes.

Nike claims to solve hygiene and slippage problems with its new Studio Wrap, but the slipper-like shoe could compromise your connection with the mat

Can you suggest some survival tips for those who unexpectedly find themselves in an emergency situation during the winter months?

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 live down South and am leaving to go on my first ski trip this winter. How worried should I be about frostbite?

14 simple habits that will change your life.

My New Year’s resolution is to commute to work by bike. How do I do this in the snow?

The ProteinPlus's blend of different proteins is more effective then whey protein alone.

I live in Florida. How can I train for a snowshoe race?

Can high levels of endurance training lead to irreversible heart damage? A new report is giving athletes panic attacks.

Maybe you should get a checkup before you go the distance

Whenever the seasons start to change, I feel like I have to shave my legs far more often to achieve the same results. What gives?

I like to listen to music when I'm out skiing or snowboarding. Does that put me at greater risk of injury?

When it comes to holiday giving, you should never have to choose. This year, our editors have pulled together 68 perfect ideas—priced from $4 to $50,000—guaranteed to make anyone on your list feel like a million bucks.

I know many resorts scale back their operations when the wind picks up, but is it really possible to get blown off of a mountain?

Six natural prescriptions for improving your body and mind

How research supports the therapeutic benefits of playing outside

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

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.

I want to support my local charity by participating in their marquee event this winter, but fear that diving into ice-cold water could be dangerous. What do the experts say?

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?

Three Outside readers tell us how the magazine led them to do something different

In a time of corruption and coercion, courage was not in short supply. A hidden cadre of men resisted doping, and they paid a heavy price. Here are their stories.

As an athlete, is my skin more susceptible to damage during the winter? What can I do to protect it?

Deal with hurt pets like you would deal with a human emergency: use common sense. And if you’re heading into the woods for a day or longer, bring a first aid kit that will work for man and beast alike.

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

Closing the book (we hope) on bike racing’s drug-fueled era of excess

Looking for which candidate's economic beliefs are best suited to the present day? Wondering who's better suited to take office should the next president become incapacitated? Well, you've come to the wrong place.

I always get sausage fingers and puffy hands whenever I go on day hikes. My friend says it’s because I’m not eating enough salt. But doesn’t salt cause bloating? What’s going on here?

Increasingly, race organizers are testing non-elite athletes for performance-enhancing drugs. But is it fair, or even possible, to hold amateurs to the same stringent standards as the pros?

Common medications that will—and won't—earn you a suspension

Christopher Keyes talks with Robert Koester, the renowned search-and-rescue specialist, about looking for autistic children and being involved in the hunt for Robert Wood Jr.

Fact: Exercising in polluted air can increase your risk of asthma, stroke, and heart failure. But is it better than the alternative—avoiding a workout altogether?

The results are far from damning, but a study in this month's Mayo Clinic Proceedings presents evidence that excessive endurance exercise could do lasting damage to the heart

New workouts, a marathon birth, and revolutionary new studies: Here are the headlines that defined health and fitness news in 2011

The best sites for health advice and commentary, so you can get online and go outside

How does a visionary marine biologist convince brain researchers to help him revolutionize ocean conservation? With lots of hugs, a million blue marbles, and one very unorthodox conference.

A cutting-edge blood therapy believed to speed recovery from sports injuries has never been more popular—or more controversial. Is the science as convincing as the hype?

A simple day-by-day plan to help you crush the month.

Your urgent inquiries about the world. Answered.

In 2005, the author introduced us to the idea of childhood nature-deficit disorder. With The Nature Principle, he's back with a prescription for adults.

Recent studies are shattering the myth that life span is predetermined by genetics. The latest bombshell: your morning run could be the fountain of youth.

Decades after the Soviet-era meltdown drove 60,000 people from their homes in the Ukraine, a rebirth is taking place inside the exclusion zone. With Geiger counter in hand, the author explores Europe's strangest wildlife refuge, an enchanted post-apocalyptic forest from which entirely new species may soon emerge.

In 2007, molecular biologist Ron Evans flipped a genetic switch on test mice and turned them into super-athletes. Headlines ensued, as did nervous references to human applications and "exercise in a pill." Evans is still toiling away in the lab, and guess what? The day is coming.

Can a siesta improve performance?

Your urgent inquiries about the world. Answered.

Is telling the truth good for you?

Can a self-professed "closed-door person" become more gregarious?

Vitamins C and E might be key to retaining strength as you age

What, if any, benefit do we get from a properly executed sauna? I notice my heart rate is elevated so I wonder about any cardio benefit. I also assume that with increased heart rate we enjoy some increased circulation and "cleaning" of waste products from Peter Olson Santa Fe, New Mexico

What is a healthy resting heart rate, and how can I get mine down? What would a super athlete's be? And what is a dangerously high resting heart rate? Cillian Dundalk, Ireland

I have been diagnosed with an enlarged prostate. Is there anything I can do diet-wise to help reduce the size of my prostate, or to keep it from getting larger? Frank Moline, Illinois

You skipped breakfast because you overslept because you couldn’t fall asleep because you didn’t have enough time to exercise. Sound familiar? Then turn the page and let us—and Michael Phelps—show you how to recalibrate for your best year ever.

Can Viagra really improve high-altitude performance?

Sorry, abs: One muscle trumps all others. Keep your ticker in top shape with our complete guide to cardio health.

Think of fitness like your portfolio: don’t let short-term thinking limit long-term gains.

I just got invited to a four-day hiking trip around Aspen, Colorado, early this fall (while the aspen leaves are bright yellow, I've been told). I'm excited about the trip, but I'm from Missouri so I'm worried about the altitude. Is there anything I can do to prepare for four days of hiking at 9,000+ feet of elevation? Carl T. Missouri

Want a spin bike delivered to your room? Get that and more with our guide to staying fit on the road.

Ready to play your way to total fitness? We thought so. Kick-start your transformation with a visionary six-week approach to bringing body and mind together for strength, stamina, and your best performance ever.

For a compulsive adventurer who can't stay put, sometimes there's only one cure: Get Zen. If only it were that easy.

YOU CAN BET that drug-company executives aren’t among the 70 million Americans suffering from sleep problems. Thanks to blockbusters like $2-billion-a-year Ambien, the sleep-aid industry is booming, and several similar drugs are angling for space in your medicine cabinet, including Lunesta, launched in 2004, and others awaiting FDA approval. These…

I'm a 45-year-old male who spends most of the day at a desk. I exercise four days a week in the morning with either a 2.5-mile run, a 50-minute trip to the gym (treadmill and machines), or simply a half-hour of yoga stretches. How much exercise is really enough? If I didn't have a job and kids I'd spend more time being active. Thanks. Steve Denver, Colorado

Because every second you’re not living life to the fullest is an opportunity missed—and the clock is ticking. To get you going, we’ve handpicked a no-regrets, full-throttle, see-the-world list of 50 things to do before you die—from climbing an 8,000-meter peak to making the perfect martini. Pro surfer Kelly Slater…

When work and fitness are combined, how do you keep yourself from burning out and maintain a medium balance? Derry East Wemyss Fife, Scotland

Got the whole make-fitness-fun thing? Now let's talk about that mortal coil of yours. You think you know it, but you don't know Jack.

Fit should be synonymous with fun. So stop working out and start acting like a kid again. With help from fitness experts, pro athletes, and groundbreaking coaches, we'll show you how playing your favorite games leads to a lifetime of high-energy health.

Sore and suffering after a long day? Flush away the pain and restore your mojo with these eight feel-better tools.

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