44-year-old gastroenterologist shares 5 health lessons he wishes he knew in his 20s: ‘No bank account for lost sleep' | Health Hindustan Times Meal Timing To Eating Speed: Harvard-Trained Doctor Reveals 8 Gut Health Habits You Shouldn't Ignore NDTV AIIMS-Trained Doctor Flags 8 Everyday Habits You Should Quit Right Away NDTV Doctor Shares 8 Facts About The Gut And Liver That Could Change How You Think About Health NDTV