Disturbingly large numbers of entrepreneurs are luring gullible and frequently desperate customers of all ages to “longevity” clinics, claiming a scientific basis for the antiaging products they recommend and, often, sell. At the same time, the Internet has enabled those who seek lucre from supposed antiaging products to reach new consumers with ease. Alarmed by these trends, scientists who study aging, including the three of us, have issued a position statement containing this warning: No currently marketed intervention—none—has yet been proved to slow, stop or reverse human aging, and some
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