Lying with statistics -- the problems with drug research; Unnecessary tongue surgery in children is on the rise; A common bacteria, Actinomyces neuii,can get out of hand and require antibiotics; Heat wave in Europe -- the physiology of coping with heat; A bitter chemical in hops fights diabetes, but beer is not good because of carbohydrate load; Ambien and Transcranial Magnetic Therapy can wake up people in a vegetative state; Dealing with collagenous colitis