Thousands of Americans suffering from arthritis are being made to undergo unnecessary surgery.

According to a research by Brian Feagan of the University of Western Ontario, published Thursday in the New England Journal of Medicine, a comparison of 178 patients showed that those who underwent arthroscopy had no advantage over those who took medication and went through physical therapy

Researchers have found that sex may be mostly in a person's head.

A new study finds that most cervical cancer survivors report satisfying sex lives, which challenges the public perceptions on what role hormones play in sexual activity. That's because surgical intervention usually reduces, or eliminates, a key hormone involved in female sexuality

A government panel of experts has released its final report on the possible human effects of bisphenol A, or BPA, a chemical added to plastics to make it stronger.

The National Toxicology Program, part of the National Institutes of Health, notes "some concern" for effects on the brain, prostate gland, and on behavior in fetuses, infants, and children

Women who undergo severe stress during pregnancy risk giving birth to children who develop schizophrenia, a complex brain disorder, a study suggests.

Study leader Dr. Dolores Malaspina, from the New York University School of Medicine, and colleagues looked at birth data for 88,829 people born in Jerusalem from 1964 to 1976 and cross-referenced the information with Israel's national psychiatry registry

- The controversial plastic used in baby bottles, water bottles, and to line food cans, Bisphenol-A, has been deemed safe by the Food and Drug Administration.

Concern over the effects of the plastic, especially on the very young and old, have caused a bit of a backlash against products that use BPA since U.S. government scientists at the National Toxicology Program (NTP) voiced "some" concern about they synthetic material's possible effects, which they said could include accelerated female puberty, as well as having negative effects on the mammary and prostate glands