Hormone therapy is a common treatment option for prostate cancer, but it may increase the risk of death from heart disease, especially in older men, a new study finds. Dr. William Dahut, a prostate cancer researcher and chief scientific officer for the American Cancer Society, said the study from Lithuania provides more evidence that starting…  read on >  read on >

Many smokers eager to quit embrace electronic cigarettes as a tool for kicking the habit, but a new study warns the move may raise the risk for becoming addicted to both cigarettes and vaping. The finding follows a look at the experience of nearly 112,000 smokers who sought outpatient care at a single hospital between…  read on >  read on >

A half-century-old diabetes drug appears to help treat bipolar disorder by reversing patients’ insulin resistance, according to a small-scale clinical trial. Bipolar patients who responded to the drug metformin experienced improvement in their mood disorder as their insulin resistance decreased, said lead researcher Dr. Cynthia Calkin, an associate professor of psychiatry at Dalhousie University in…  read on >  read on >

They are called “forever chemicals” because they linger in the human body and can contribute to the risk of everything from cancer to childhood obesity. Now, new research on per- and polyfluoroalkyl substances (PFAS) finds they also exact a huge financial toll, costing the U.S. health system billions every year. “Our findings add to the…  read on >  read on >