At what age does your body age the least? 

The rate of aging varies among individuals and is influenced by a combination of genetic, environmental, and lifestyle factors. In general, the body's cells and tissues experience the least amount of wear and tear during childhood and adolescence, and the rate of aging increases as we get older. age calculator

However, it is important to note that the age at which the body appears to "age the least" is subjective and can depend on one's perception. Additionally, some people may experience age-related decline earlier or later than others, based on the factors mentioned earlier.