Leonard Hayflick, Who Discovered Why No One Lives Forever, Dies at 96 A biomedical researcher, he found that normal cells can divide only a certain number of times before they age — which, he said, explained aging on a cellular level. https://ift.tt/JkFhUzc https://www.nytimes.com

A biomedical researcher, he found that normal cells can divide only a certain number of times before they age — which, he said, explained aging on a cellular level.

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