Tag: Hayflick Limit

Limits to Height

June 26, 2026 By arne hendriks Off

In 1961, Leonard Hayflick and Paul Moorhead demonstrated that normal human somatic cells possess a finite proliferative lifespan, which is governed not by chronological time but by the cumulative number of cell divisions. To protect critical genetic material from eroding, eukaryotic cells cap the ends…

The Hayflick Limit

January 20, 2014 By arne hendriks 0

In 1961 microbiologist Leonard Hayflick demonstrated that a population of human fetal cells in a cell culture will divide approximately 50 times before they stop. With each cell division in our body the ends of our chromosomes, the telomeres, get slightly shorter. This process continues until they shorten to a critical…