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senescence Anti-aging scientist David Sinclair nir barzilai Morgan Levine Alzheimer's disease Harvard University Cowen
02-27
![Three cutting-edge scientists studying aging agree that anti-aging is no longer science fiction[fig]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)