Scientists from the U.S. tried to establish the average age at which starts pronounced aging processes in men and women.
For the last thousand years the average human life expectancy increased 3-4 times. Moreover, life expectancy has greatly increased, even if this figure is compared with the data of the last century.
Associated this phenomenon with the objective of improving the quality of life and development of medicine. Literally a century ago appendicitis was considered a fatal disease. Now the mortality from inflammation of the Appendix does not exceed a few percent.
According to the study, the aging process of people in large cities starts with 26 years. However, at this age, signs of aging are usually not visible. They occur after 28-30 years in the form of wrinkles and the first serious health problems.