Too much sitting can increase your risk of sudden death. CBS News medical correspondent Dr. Holly Phillips reports on the study, and what you can do if you have a job that requires you to sit for most of your day.
A new national survey reveals only 11 percent of women know the female-specific symptoms of stroke, which kills twice as many women a year as breast cancer. Knowing the first signs of stroke is crucial because there's only a three-hour window to get help.
In this week's Ask the Doc column, Dr. Howard Scheiner takes a realistic look at the latest studies around Pre-Exposure Prophylaxis (PrEP) with Truvada, and lets you know what you'll have to do to keep safe this summer.