For decades, anthropologists and biologists have been puzzling over one of nature’s great mysteries: Why do women go into menopause?
At first blush, menopause doesn’t make much evolutionary sense. According to one widely accepted theory, the point of evolution is successful reproduction. After that, nature doesn’t have much interest in keeping us alive, and so we die. Why, then, keep women kicking for decades after they can no longer make babies?
Rama Singh, a professor in the department of biology at McMaster University in Hamilton, Ontario, thinks he’s figured it out. Menopause, the Canadian researcher argues, is men’s fault.
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