The Science and Pseudoscience of Aging

Some animals (such as hydras and some jellyfish) can apparently live forever, but we humans are all going to die. Longevity is desirable, but aging—a slow process of deterioration—is not. Hearing declines (half of those older than seventy-five have disabling hearing loss), as does visual acuity (by age eighty, 70 percent of white Americans have

Vital Stem: Affordable Stem Cell Treatments for Everyone? Anti-Aging Breakthrough?

Vital Stem is a dietary supplement mixture that supposedly reverses the changes of normal aging by increasing the body’s production of stem cells. We can’t know if it works, because it hasn’t been tested. Is Vital Stem a Miracle Anti-Aging Remedy? Evidence is lacking. Stem cell treatments are very promising. Bone marrow transplants are already

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