If you?re doing some financial belt-tightening at the same time you?re working to whittle your waistline, don?t give up. There are  ways to keep that New Year's resolution.

Can you lose a lot of weight without becoming a ?saggy, baggy elephant?? How well can exercise fight the flab? And is it possible to lose fat only in desired areas but not in others?

New research finds a link between "active transportation" ? biking, walking or taking mass transit ? and less obesity in 17 industrialized countries across Europe, North America and Australia.

You don?t have to spend a lot of money to give the gift of fitness this holiday season.

A brain swelling condition related to low oxygen levels in the air may have caused many of the deaths of people climbing Mount Everest, researchers said on Tuesday.

Quest Diagnostics, a company that performs lab tests for patients nationwide, says some of the vitamin D tests it conducted in 2007 and part of 2008 yielded incorrect results.

The increase in the potentially deadly skin cancer melanoma that has occurred over the last several decades can't be linked just to better screening and earlier detection of the cancer, according to a new study.

Certain compounds in saliva are different in some -- but not all -- children with autism spectrum disorders, Italian researchers report.

Cigarette smokers who try to quit gradually rather than giving up smoking cold turkey can safely use nicotine-replacement gum, a new study shows.