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

Supplements with Multiple Ingredients, Many with No Apparent Rationale

Dietary supplements frequently have multiple ingredients, often mixtures of vitamins, minerals, and herbs. The rationale for including each ingredient is questionable, to say the least.  Whenever I evaluate the evidence for a dietary supplement, one of my first questions is “What is it?” I remember many years ago, when I first started doing this, I

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