You can blame your energy crisis on a lack of shut-eye, but there may be other reasons you're slogging along like a turtle. Find out what's fueling your fatigue.

Get moving: The nation's new exercise guidelines set a minimum sweat allotment for good health. For most adults, that's 2 hours a week.

Do you always have to max out with weights? And will a week off from the gym wipe out your fitness gains? Smart Fitness answers your workout queries.

If you?re trying to shape up, there?s no shortage of exercise equipment and workouts promising to deliver bigger, better, faster results. But are they really all that?

Maybe you CAN blame being fat on your genes. But there's a way to overcome that family history ? just get three to four hours of moderate activity a day.

Infants, children, and teens should get at least 400 international units per day of vitamin D, according to new guidelines from the American Academy of Pediatrics.

New research shows that the use of probiotics to treat eczema in children is not effective and may carry a risk of bowel damage and infection.

The rate of premature heart disease among obese teens is set to triple, and the increasing prevalence of high blood pressure in children is a major culprit, experts warn.

A Nerf Blaster toy, manufactured by Hasbro, has been voluntarily recalled because the toy's plunger can pull the user's skin during firing -- causing bruising, cuts, blood blisters, and welts on the face, neck, and chest.