Steven Salzberg is the Bloomberg Distinguished Professor of Biomedical Engineering, Computer Science, and Biostatistics at Johns Hopkins University.
the first time in the U.S. to make the vaccines that protect people against disease. use of human, rather than animal cells to make vaccines, signals a new era in practice of vaccination in this country, said Dr. Leonard Hayflick, professor of medical microbiology at Stanford University School of Medicine. Dr. Hayflick pioneered in development of a human cell strain during late 1950's. .
Back to the Hayflick limit: because all of our organs are destined to wear out, our bodies will simply die unless we can intervene and restore cells to their youthful state. That would require technology that has not yet been invented. Hayflick himself estimated that the limit of the human lifespan is 125 years.NYT ‘Strands’ Hints, Spangram And Answers For Wednesday, August 21st
Telomeres don’t really do anything, and they appear very simple: they consist of a long stretch of six DNA bases, TTAGGG, repeated hundreds of times, end-to-end. All our chromosomes end with telomeres, on both ends.
Immortality Longevity Aging Stem Cells
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