Planning to have open heart surgery anytime soon? You might want to ask your cardiologist to book an afternoon slot in the OR. New research shows that heart operations performed in the afternoon produced better outcomes than those done in the morning. Because afternoon heart surgery syncs with the body’s circadian clock (the internal body…  read on >

If you have trouble keeping slim, don’t put all the blame on your DNA. People carrying so-called “obesity” genes tend to gain more weight if they don’t work out or don’t get enough sleep, said Timothy Frayling, a professor with the University of Exeter Medical School in England. “You can’t change your genes — but…  read on >