MSNBC.com: Diet & Fitness Headlines:

You, too, can train like an Olympian

The nation's top Olympic coaches reveal their secret training tips. Tap into their power to build muscle faster, torch fat quicker, and avoid niggling injuries.

Shaky science casts doubt on doping results

On the eve of the 2008 Olympic Games in Beijing,  a prominent biomedical researcher is arguing that the international anti-doping system is critically flawed.

When exercise isn?t worth all the effort

When it comes to exercise, can there be too much of a good thing? And can your period wreck your workout? Smart Fitness answers your questions.

Exercise in a pill? Drugs show promise in mice

Here's a couch potato's dream: What if a drug could help you gain some of the benefits of exercise without working up a sweat?

Heavy? It might be your neighborhood's fault

The year your neighborhood was built might be a factor in how much you weigh, a new study says. Those built before 1950 were designed to encourage more walking.

Fitness News from eDiets.com Headlines:

Sexy FitnessSexy Fitness
If you're getting a little bored with your workout routine, spice things up with a workout that will stimulate your muscles, rev your cardiovascular system and peak your senses. Feel sexy and strip some body fat with these

Sex is Exercise TooSex is Exercise Too

The End of Flabby ThighsThe End of Flabby Thighs
There's no such thing as spot reduction, but there is a fat-fighting formula for shrinking your thighs. For tight and trim

Best Workout for Thinner ThighsBest Workout for Thinner Thighs

5 Steps To Leaner Legs5 Steps To Leaner Legs
If you're looking to trim your thighs, we've got 5 steps to help you see results quick. You'll have to work hard, but the reward will be worth it.