Stories by Leonard Hayflick

Fifty-one scientists who study aging have issued a warning to the public: no anti-aging remedy on the market today has been proved effective. Here's why they are speaking up

Fifty-one scientists who study aging have issued a warning to the public: no antiaging remedy on the market today has been proved effective. Here's why they are speaking up

When normal human cells grow in laboratory glassware, they eventually lose the ability to function and divide. The timing of this loss may well represent the limit of the human life span

When normal cells are grown outside the body, their capacity to survive dwindles after a period of time. This deterioration may well represent aging and an ultimate limit to the span of life