A common treatment for hangovers can destroy your kidneys. A new body part has been discovered.  Siting is the new smoking.  It’s dangerous to take aspirin as a daily therapy to ward off heart disease and strokes. There’s new hope for people with arthritis, and a new study about testosterone therapy is wrong. Special guest on today’s program is medical researcher Dr. Kong Chen who shines a light on metabolism and tell us why air conditioning and heating is making us fat.