Summary writing Centenarians.

 As per the research conducted in the USA, the estimated value is 50 thousand centenarians. Centenarians are old people between the ages of 100 to 109 years old. Centenarians increase the population of the US by 7 per cent every year. There is research that shows 15 per cent of centenarians live and take care of themselves. About 90 per cent of centenarians are female, who are also known likely to have their children at the age of 42, which is thrice the possibility of women, who lived at 73. More than 90 per cent are in good health in their early 90s. This research proves that diet affects longevity. It is believed that longevity is connected to the view of optimistic life which helps reduce body stress. Siblings of these centenarians survive at age 90.