Life Expectancy is an unusually uncertain factor in every body mind. A person has every thing: Wealth, Happiness and suddenly there is a calling from heaven. How can we live longer and this question had troubled China first Emperor Qin Shi Huang(259 BC - 210 BC). His team of medical experts went to Japan and searched for longevity medicines. There were no answers for his longevity. Now. The common notion of living a long life is having a balanced life style, eat vegetarian foods for some people, good physical exercise, stay happy and have a kind heart. How about reducing stress? How about training a brain producing more melatonin naturally? All these factors are major factors which we cannot ignore them. "Melatonin is a hormone produced by the pineal gland of all mammals, including humans. The pineal gland is a small, light-sensitive organ located in the brain that secretes melatonin only during darkness. Humans begin producing melatonin as early as 3 months old. The production o...