Understanding how bacteria become resistant to quinolone antibiotics could guide strategies for developing new antibacterial drugs.

An international group of investigators has identified seven new genetic regions associated with age-related macular degeneration (AMD), a common cause of blindness in older individuals.

The overuse of many medical tests and interventions wastes money and can actually harm patients, say more than two dozen medical societies. Daniel Barocas, assistant professor of urology, is quoted.

An ultrasound count of potentially egg-producing follicles could predict the timing of menopause.

An important predictor of the severity of respiratory syncytial virus (RSV) in infants may be what their mothers ate during pregnancy.

Individuals with overexpression of the gene MECP2 have core features of autism spectrum disorder.

The factor STAT6 appears to play a role in the pathogenesis of an inflammatory bowel disease, suggesting it may be a promising target for new treatments.