In his new book, 'Lifespan,' celebrated scientist David Sinclair lays out exactly why we age—and why he thinks we don't have to

Blood glucose monitoring for performance is becoming more common. Here's what you need to know.

These underappreciated, nutrient-dense farmers'-market finds are worth adding to your shopping bag

What we teach our kids about nutrition can impact them for the rest of their lives

Here's how to tell if you're getting enough of this essential, overlooked nutrient

After I lost 20 pounds and my red-blood-cell count dropped to dangerous levels, doctors finally knew what the problem was. But no one knew how to fix it.

Patricia McNeal biked across America five years after surviving a stroke. And she's going to do it again.

A good diet is a balance of nutrition, flexibility, and giving your body what it needs

John Joesph's diet is key to his longevity—both on the stage and in races

New centers popping up in New York City can help you reach peak wellness—for just a few hundred dollars per month

Hydrating is supposed to make us healthier and more vibrant. But how much is too much?

Start-line nerves, finish-line beers, and lots of fast, hard miles in between aren't easy on the gut. Here's what I've learned over a decade of racing.

We have a lot of opinions about how to make the most of your pit stop, whether you're headed to or from an adventure

The global meal-replacement market is growing at nearly 7 percent annually and expected to reach $20.6 billion by 2021. But as we hack nutrition for hyperefficiency, have we evolved past the need for deliciousness?

Calorie counting can be a huge burden. Plus, you're probably terrible at it.

The perfect summer dessert is ice cream smooshed between 1,000 calories of cookies. Here's how to make our favorite versions.

Late-night calories can boost recovery and set you up for an active day. Here, a nutritionist weighs in on athletes' favorite snacks.

Cutting down on booze? Try these mocktail recipes instead.

Two new books, 'The Fate of Food' and 'The Way We Eat Now,' look at diet on a global level for a complementary view of our changing food systems

The days of veggie burgers that taste like cardboard are over

Making your way over an 800-mile trail through deserts and mountains in less than 16 days is no picnic—except for those gas-station resupply stops

The breakfast staple has had a rough go of it in the last few decades. So are they good for you or not?

Insights from this year’s ACSM conference on how to lift, what to eat, and how that affects endurance athletes

I thought most of the food I ate came from nearby—until I put that presumption to the test

We won’t tell you what to think; we’re just here to share the latest data.

Energy that tastes more like a meal than a dessert

Pico started running and climbing mountains ten years ago, after losing her foot to cancer

Make your camping French press obsolete with these surprisingly good instant mixes

We wanted to know: in the face of climate change and innovation, how will food fare? Top food experts weigh in.

It’s tastier than gels are... and that’s the main selling point

Real nourishment for high performance

Power your day with this protein-packed grain

Jerky has gone beyond beef, and we are in love

How to fuel for an action-packed 24 hours

Avocado is a fruit, after all. When you blend it with cacao, dates, hazelnuts, or other natural sweet flavors, you can whip up some healthy, satisfying desserts.

Old-school diets may have fallen out of favor, but diet messaging is still everywhere. Intuitive eating promises to help you drown it out.

It's almost summer. Here's how to avoid loading up on junk food as you fly off to mountain and beach adventures.

The ketogenic diet is all the rage in the fitness world. But does it really make athletes healthier, stronger, or faster?

Even bagels, pasta, and sweets deserve a place in your personal food pyramid

Thanks to savvy marketing, science, and luck, blueberries helped usher in a new era of health food obsession

Once again, science says that fruits, vegetables, and whole grains are really good for you

A quick hit of goo with 87 calories and 22 grams of carbs, a single Double Espresso gel also has a whopping 150 milligrams of caffeine—more than a 12-ounce can of Red Bull. Consume in moderation.

The Double Expresso energy gel is like mainlining caffeine—100 milligrams of it, to be exact, the same as in your morning coffee. And the pouch makes for easy slurping as a midrace jolt.

Jelly beans have gotten us through more than one mountain-bike race. They’re fruity, delicious, and packed with electrolytes and B and C vitamins, but mostly they’re straight energy-giving sugar. These also have 50 milligrams of caffeine per bag for even more of a bump.

ProBar’s almond butter and cocoa mix is easy to pop on the trail for an instant shot of calories and protein. Plus, ProBar’s blend has 25 milligrams of caffeine derived from yerba maté.

RxBars are made of just a handful of natural ingredients, one of which is egg whites for protein. The result is chewy and delicious. This particular flavor has only a hint of caffeine (five milligrams) for when you need a little pick-me-up.

But the flip side is that your healthy fitness habits—so deemed by lurking insurance companies—could lower premiums

Don't rely on convenience stores and junk food to fuel your miles

Olde Virden's Red Hot pepper flakes turn even the rankest dehydrated meal into mouthwatering fare

The Twitter CEO only eats between 6:30 p.m. and 9:30 p.m. You definitely should not emulate his habits.

Bored with plain old soy milk? Here's everything you need to know about the ever expanding milk aisle.

Laird Hamilton's rules for preventive maintenance

Becky Wade, 2:30 marathoner, details exactly what she ate during a week in the heart of marathon training.

An excerpt from Ben and Penny Hewitt’s new book, 'The Young Adventurer’s Guide to (Almost) Everything,' reveals how your family can add a little buzz to your snacks

Signs that your coffee habit is doing more harm than good

Spice up your on-trail diet with these creative vegan recipes

Trying to eat perfectly all the time is a losing battle

Eating out ruining your diet and your budget? Here's how to do it less.

Spending time in the kitchen shouldn't feel like a chore

Coconut oil's health benefits are overblown, at best. Here are five healthy alternatives.

Oranges, ginger, garlic, even chicken soup—most of our so-called cold-fighting foods don't do much for us when we're under the weather

Inside a repurposed Twin Cities brewery, a massive aquaponics operation is ready to provide a locavore's dream: fresh produce and fish, raised indoors every month of the year

The brewery is using science to make Slightly Mighty, a low-calorie craft beer worth drinking

When outdoor athletes launched the first energy bars more than 30 years ago, no one could have predicted it would revolutionize the way Americans eat. A look inside the hottest—and strangest—category in natural foods.

This fall I joined the ranks of Shawn Baker's all-meat cult for 30 days. Here's what happened. 

Five different ways to store a week's worth of food

No matter how many miles you're putting in, these recipes will satisfy your cravings

A fast-mimicking program called ProLon claims it can

Our advice for maintaining your nutrition and training goals this holiday season? Chill out.

Give the ultimate holiday present: new ideas for healthy and delicious meals

Kimchi, kombucha, and pickled veggies all have one thing in common: good-for-you bacteria

Yvon Chouinard and Patagonia Provisions plan to save the environment by changing how you eat

Dietary fiber contains prebiotics, compounds that boost the growth of beneficial bacteria

To fuel for athletic success, consider specificity, periodization, and personalization