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.


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").

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

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

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.)

Emotions can get the best of you when you're in corpse pose. The reason why is somewhat of a mystery, but science and yogis have some pretty good guesses.

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

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

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

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

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

A new Johns Hopkins study finds that cutting the fat and loading up on fruits and veggies with the DASH diet may help keep away one painful, nagging malady.

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

The idea that you could hold a powerful stance and get a burst of positive brain chemicals is certainly alluring. But is the science on this claim solid?

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.

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.

It's eating a limited number of healthy foods that leads to weight loss.

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.

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?

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.

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

What if all the sensible advice given about weight gain is as wrong as a cottage-cheese-and-fruit diet? Turns out that setting realistic goals and taking pounds off slowly won't help you lose more weight. What else are doctors now discounting?

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?

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.

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?

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.

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