People 100 years old are often respected because of their high esteem. At present, America is the most popular country in the world. In 2005, there were about 55,000 people, followed by Japan with about 25,000 people. Okinawa Prefecture has the largest population. When Japan first counted in 1963, the population of centenarians was only about 153, which increased by 150 times in 40 years. On the birthday of Japanese Rui 100, the Japanese Prime Minister presented them with silver cups and certificates to celebrate their longevity.

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Everyone wants to live a long and healthy life. Scientists and medical circles are constantly studying centenarians, hoping to find clues and open the door to longevity. At present, it has not been found that human genes, religion, race, social status, economic situation or education level make great contributions to health and longevity.

A healthy lifestyle and a positive attitude are more conducive to health and longevity than our innate conditions. We always associate the elderly with the weak, and the elderly often complain that their energy is not as good as before. In fact, most people think they are incompetent, refuse to learn new things, and are unwilling to try and use their brains, thus accelerating the degradation of physical function.