Is all that echinacea, vitamin D and probiotic yogurt doing you any good? How much salt is hidden in your diet? Can red wine ward off cancer? Can moonbeams cure it? Dr. Joe's latest collection of Q & A-style insights is devoted to the vital topics of health, nutrition and medicine. How best to have a long and lively life? There's a minefield of conflicting advice out there-a bewildering array of supplements and pharmaceuticals and "alternative" therapies. In a wonderfully clear, friendly and common-sense style, Dr. Joe shows that the key to good judgement is an understanding of everyday chemistry. And as ever, Dr. Joe adds a healthy dose of the bizarre and unexpected to the mix, along with several well-aimed swipes at the charlatans. Book jacket.