The authoritative text for every researched or medical practitioner dealing with aging and the critical diseases of our times and a fascinating and important study for the health-conscious consumer. Rozencwaig, respectfully known ad THE MELATONIN DOCTOR, and Walji, a renowned author and health consultant, here summarize the most up to date research on melatonin's use for: anti-aging; heart disease; cancer treatment (since melatonin is the ultimate antioxidant); Alzheimer's disease; sleep improvement; PMS; seasonal; affective disorders, autism, and other uses.