UCSF Medical Center has reduced hospital readmissions for older heart failure patients by nearly a third, thanks to a program designed to identify ways for hospitals to improve patients' transitions to their homes.

A rigorous study of nearly 400 twins has shown that environmental factors have been underestimated, and genetics overestimated, for their roles in autism-spectrum disorders.

Mammograms should not be done on a one-size fits all basis, but instead should be personalized based on a woman’s age, the density of her breasts, her family history of breast cancer and other factors including her own values, according to a new study.