Diet and Fitness

HowStuffWorks offers guidance for developing an exercise routine that will help you get in shape and stay healthy. Learn about diet and fitness and get tips from professional trainers.

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There are nude bike rides, naked yoga sessions and even the occasional bare-it-all Crossfit sesh. Would our bodies be more efficient without clothes getting in the way?

By Laurie L. Dove

A study showed that weight loss messages are more likely to work when both are actions ("eat more veggies," "do more exercise") rather than if one is an action and the other is an inaction ("eat more veggies," "eat less fat").

By Alia Hoyt

It's a popular dieting trend but in this 2017 long-term study, the first of its kind, researchers found mixed results on the effectiveness of alternate-day fasting.

By Alia Hoyt

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Worrying can be detrimental to a person's health, but — in the right amounts — it can also promote well-being.

By Shelley Danzy

Take the stairs instead of the elevator on your way to the office, and you might not need that morning cup of joe for energy. (You'll probably still want it, though.)

By Shelley Danzy

The U.N. has proclaimed June 21, 2021, the International Day of Yoga. With that in mind, we look at how emotions can get the best of you when you're in corpse pose.

By Julia Layton

Links between inactivity and heart disease, diabetes, stroke and cancer are still solid though.

By Julia Layton

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Biologists in San Diego have pinpointed a hormone in roundworms that could one day be the key to fat-burning drugs.

By John Perritano

Don't quit! You can accomplish your workout resolutions by taking some simple steps psychologists recommend.

By Michelle Adelman

It seems intuitive: Getting ripped at the gym increases your strength, right? Some researchers are challenging the link between muscle size and muscle strength.

By Kate Kershner

Being upset isn't good for heart health. But being upset and working out like a fiend can triple your risk of heart attack.

By John Donovan

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For the first time, a group of researchers tried to answer that question — and got a staggering figure.

By Alia Hoyt

Do you eat all day long, or do you restrict your eating to a certain time? That latter approach, called time-restricted feeding, could significantly affect human health.

By Julia Layton

You're proud of yourself for finally sticking with an exercise routine. But sadly, the needle on the scale doesn't move. Exercise doesn't have as much to do with weight loss as you'd think.

By Melanie Radzicki McManus

Your expanding waistline might not just be due to what you eat. A lot of factors may determine what numbers pop up on your scale, from hormones to diseases to the meds you're taking.

By Melanie Radzicki McManus

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Turn off your phone, stay away from the TV, don't drink coffee — we all know the drill for what you're supposed to do to tempt the sandman. Is it also important to cease snacking?

By Colleen Cancio

If you've been in a gym for a while, chances are you've spied yoga and Pilates enthusiasts walking around sporting lean bodies and holding rolled-up mats. But the two routines are quite different.

By Alia Hoyt

All your healthy-eating efforts could be for naught if you find yourself snacking late at night.

By Laurie L. Dove

What if all the advice given about weight gain is as wrong as a cottage-cheese-and-fruit diet? Here are 10 causes of weight gain doctors have changed their thinking on.

By Patrick J. Kiger

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Many elimination diets make fast food, junk food, refined sugar, alcohol and countless other foods off limits. If you stop eating all that stuff, you're probably going to feel better. Are elimination diets that simple?

By Julia Layton

If fads were made to last, we'd all have Chia Pets. Fad diets are a lot less fun -- and a lot more dangerous. Here's a look at a few diets that are worse than weight gain.

By Debra Ronca

Eat right and exercise: It's no secret that those are the best ways to improve health and shed pounds, but often, people will go to crazy extremes to try to get slim. Would you ingest a parasite to fit into your skinny jeans?

By Maria Trimarchi

Have you ever wondered what CrossFit is exactly and what this workout entails? Read on to learn and the pros and cons of the CrossFit workout.

By Jennifer Wolfe

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Have you ever wondered what the difference is between a kettlebell and a dumbbell? Learn whether kettlebells are a better workout tool than dumbbells!

By Jennifer Wolfe

Do you ever wonder what's up with all the hype over juice cleanses? Read on to learn about the good, bad and the ugly surrounding juice cleanses.

By Jennifer Wolfe