People squeezed by the economic crisis are still paying for gym memberships and diet centers, but health clubs are having to hold down their fees to keep customers coming in.

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.

Broader, earlier diagnosis of autism can't explain most of California's eightfold increase in autism cases -- suggesting that environmental factors are involved.

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.