If you've ever had a food coma, then you know that sleepy feeling. But why do they happen? A doctor answers your questions, including how to prevent them.

People who have woken up after spending time in a coma have explained exactly what it felt like while they were unconscious - ...

Scientists are investigating new ways to bring patients back from a vegetative state—and raising uncomfortable questions ...

But what is a food coma, exactly, and what’s going on in the body when you experience one? We asked registered dietitians for the 101 on food coma symptoms and causes, plus tips for preventing ...