It's good news for all couch potatoes, who could soon be able to use an exercise pill to keep the body trim and fit without having to move from the sofa.

Scientists have successfully tested a drug on mice that could deliver some of the benefits of exercise, even to sedentary people. In tests, mice were able to run 44 percent farther, suggesting humans may be able to do the same without prior training, researchers reported in the journal Cell

Overweight and obese women need to exercise about an hour a day, five days a week, to lose weight and sustain it, a new study has found.

Researchers from the University of Pittsburgh and colleagues tracked 201 overweight and obese women over a two-year period. The participants were randomly assigned to one of four groups based on how much and how intensely they exercised and how many calories they burned

World cycling champion Lance Armstrong and four former U.S. surgeons general urged Americans on Wednesday to do more to prevent cancer and get recommended screening tests.

Speaking at a press conference in Washington, the seven-time Tour de France winner asked the surgeons general to develop goals to reduce the medical, economic and social burden of the disease. Armstrong, who survived testicular cancer, urged people to adopt healthy lifestyles, screening tests, education and better care for survivors

A 23-year-old man from New Delhi who was admitted to an Indian hospital after a five-feet-long iron rod went through his chest has survived the accident.

Calling it the "rarest of the rare surgeries," doctors of the All India Institute of Medical Sciences (AIIMS) saved the life of a young executive, Supratim Dutta, whose chest, lungs, stomach and liver were pierced by an iron bar

People with Alzheimer's who exercise regularly had less brain damage than those who did not exercise, a preliminary study suggests. The findings may indicate that staying physically fit could slow the brain shrinkage associated with Alzheimer's disease and lead to development of a treatment, researchers hope.

Researchers from the University of Kansas School of Medicine in Kansas City studied 57 people with early Alzheimer's. Their physical fitness was assessed by measuring their peak oxygen demand while on a treadmill, and brain shrinkage was estimated by MRI scans