Health
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How the practice continues to comfort the former big-wall climber after a life-changing spinal injury
The disruptions of 2020 mean that there’s an unusually large crop of endurance-related books hitting shelves this fall
A new analysis casts doubt on the idea that people are born as "responders" or "non-responders" for training in thin air
A handful of apps are rebranding the menstrual cycle as a female athlete's untapped superpower. Here's what you need to know about them.
It worked better than I thought it would
A new study suggests that strength training is more important than electrolytes for preventing cramps
It’s the one training metric virtually all runners track, but running scientists think we can do better
We’ve partnered with WHOOP and Tracksmith to create a first-of-its-kind running recovery program—and we want you to join.
With a little help from technology, Joshua Cheptegei took down the 5,000-meter world record in Monaco last week
After a controversial Australian study's negative findings about low-carb, high-fat diets, scientists made adjustments and ran the study again
In the latest installment of Ask a Doctor, Outside's resident physician dives into trends like vinegar shots and Theraguns
Updated guidelines write a prescription for exercise that may be just as important as traditional cancer treatments for maintaining—and regaining—your health
Keep your fingers, shoulders, and back happy with these nine strength and mobility moves
Modest amounts of artificial sweeteners are unlikely to cause much gut distress, but sugar alcohols can wreak havoc
After an exhaustive search of the literature, researchers conclude that, well, it's complicated
How self-determination theory can help you survive the long, drawn-out pandemic
Satya Yoga, the nation's first yoga teacher training program for people of color, is trying to change who's leading yoga classes—which will also affect who participates
When the going gets tough, which sensation actually slows you down?
Always a fitful sleeper, one editor discovered Howard Leight earplugs a decade ago. It's still the only brand she uses to avoid restless nights.
The ability to sustain a high rate of energy burn for a prolonged period of time may help ward off cancer
The pandemic is prompting activity-tracking companies to pivot from personal to public health
New research says yes. Fortunately, there's something we can do about it.
The hotter it is, the closer we come to the ever elusive goal of besting the horse—which supports the evolutionary "born to run" hypothesis
Use tempo and isometrics to improve your bodyweight routine
Three new studies explore iron patches, injections, and dose frequency
Sweaty workouts do enhance your endurance, according to a new theory, but it may take longer and function differently than previously thought
To mark the start of his sixties, Will Turner swam, biked, and ran 14,765 miles, many of which took place through iconic national parks and public lands. Here are the most stunning photos from his "races."
Learn how to kick-start the habit of daily movement with our free ten-day email course
A new aerodynamic analysis runs the numbers on exactly where to run when you’re behind someone else
Put that bouncy desk chair to work with this full-body strength routine
When CEO Greg Glassman retired after making inflammatory comments about George Floyd, many in the fitness community weren't surprised. But where the popular fitness business goes from here is anyone's guess.
A decade after 'Born to Run' made them famous, anthropologists take another look
Trying to improve your sleep quality? Get back to nature.
A new study uses the training data you upload to sites like Strava to estimate the "critical speed" that determines your race performance
'Working Woman's Trans BC Enduro' follows two cyclists as they prepare for a six-day mountain-bike race in the Kootenay Range
The science is clear—time spent fishing can lower stress, make you smarter, and lift your mood
A professional climber dishes her secret sauce to mastering this dicey move
With the right approach, you can come out of summer running stronger and fitter
To figure out how your body will respond in hot conditions, consider your “physiological equivalent temperature”
When excruciating ankle pain threatened to sideline her ski season, one of our hard-charging editors tried Lazarus Naturals' CBD balm as a last resort. It worked—even though she still doesn't know how.
Many of us have long dismissed this gentle, approachable activity for more adrenaline-pumping forms of exercise. We've been missing out—big-time.
How a dog and a fly rod can be the perfect prescription
'Hydrotherapy,' from Friction Collective, highlights the benefits of cold-water swimming
You can do more with this simple training tool than you think
Photographer Ben Moon spent much of his twenties living in a van and climbing by the ocean, but at 29, he was diagnosed with cancer
The cycling world has turned its eye toward an obscure challenge called Everesting
How Colorado-based mountaineer Erin Parisi is preparing to bag all seven peaks
Nestled in Chattahoochee Hills southwest of Atlanta, the Serenbe community is designed to deliver everybody's favorite buzzword: wellness. You can't argue with the gourmet wine dinners, leafy walking trails, and goat yoga, but be aware that Paradise doesn't come cheap.
Maybe the debilitating effects of chronic overtraining syndrome are in your muscles after all, not your head or your hormones
Doctors take an oath to do no harm. But in her book, 'Sex Matters,' emergency medicine physician Alyson McGregor explains how doctors are unintentionally harming women by practicing a model of medicine based on men.
To perform the ultimate lower-body move, you need to follow this progression
Miss your go-to barre studio or lifting weights at the gym? Bring some structure into your living-room workouts with these videos that are Outside tested and approved.
Physiologists from around the world share their pet theories and crazy ideas on what it will take to break records
After a monthslong search, a buckwheat-filled pillow helped one editor finally sleep comfortably
Zwift, track workouts, and more keep 47-year-old Jon Brown ready for next winter
A new study of female athletes sees big strength gains from twice-a-week lifting
Most endurance events are canceled for the summer, but Spartan Race will hold its first event since the pandemic from June 13 to 14 in Florida
Having a solid routine is more important than ever
Researchers put the four main running power devices through a series of tests and picked a clear winner
They're not more tired than the rest of us, according to a new study—they're just better at sleeping
Inversions might seem intimidating at first, but the handstand pose is an attainable goal for any active person with the right mindset
How Sarah Herron found herself in the mountains, then helped others do the same
It's fair to be skeptical of instant coffee. But after tasting Laird Instafuel, even one of our coffee-snob editors has been converted.
Learn to quiet your mind to improve your day, your night, and your game
The Leadville 100 is an iconic mountain-bike event that puts racers through a course covering 100 miles and 12,000 feet of elevation change
Beth Rodden opens up about her decades-long struggle with her body and climbing
Anna Levesque uses yoga to slow down and fight self-doubt
One day, Michael Shattuck started to run. He liked it, so he ran longer, sometimes for as many as 65 hours each week. He never wanted to stop. What was he running from?
Brittany Griffith says now is the perfect time to have some fun with your diet
New research explores why you go slower and feel worse, even though you’re pushing as hard as usual
Many male athletes struggle with eating disorders. By sharing his personal experience, Lightner hopes to let others know they are not alone.
Walking is a challenge for Duncan Booth—it's awkward and uncomfortable—but when he hops on an e-bike, everything changes
Wouldn't it be great if there was a technique that would allow us to vanquish fear and beat back stress?
New research on mental fatigue suggests that even elite runners perform worse after a 45-minute computer task
Last week a paper suggested that runners and cyclists need much more than six feet. The report went viral, and backlash ensued. But there was some legitimate science behind the claims.
The American Mountain Guides Association published tips on how outdoor professionals can use "psychological first aid" to stay mentally healthy during these challenging times. But the advice is useful for all of us during the ongoing coronavirus pandemic.
During the pandemic, everything happens on video chat—including exercising with strangers from the comfort of your home
Build strength, train cardio, and break a sweat at home with minimal equipment