Ideally, you live to be 120 years old.
Normal human telomere length is about 8000-10000bp, human cells lose about 50-100bp every division, human cells generally divide about 50 times, and the division cycle is about 2.4 years.
This is the concept put forward by American scholar Hayflick in 1961, according to the explanation of the National Institute of Aging (National Insti-tute on Aging), the process of aging can reflect all the changes that occur in the body throughout a person's life.
One of the currently recognized aging theories is the "telomere theory", which is circulated in the scientific community: to see whether a person is old or not can not look at the age of birth, but the length of his telomeres.