The “natural age” of human life should be between 100-120 years, why most modern people do not live as long as people in ancient times, aging after half a century? Experts point out: one of the most important reasons that the middle-aged and elderly in the 40-65 years of age, the decline in health neglected to maintain health, the body to the formation of disease period. Experts recommend: drink a warm bottle of plain water every day, healthy people should drink 7-8 glasses of water every day; eat fish often, the Japanese longevity in the world’s first, research shows that with eating fish; a glass of milk every day, calcium, prevention of intestinal, cardiovascular, gallstones, stroke and other diseases; walk a kilometer a day; forget old, forget disease, forget worry, forget desire, have a good mood; choose the right way to health care, health care drugs are not the more you eat, the better. The key is to eat right.