Women and men spend billions of dollars a year to look younger--$2.3 billion to be exact. And now we know why: 56 percent of women and 34 percent of men are worried about the physical signs of aging. In Allure's first-ever aging survey, we polled 2,000 people across the country to find out just how women and men feel about their own changing looks, the effects of plastic surgery, and whether sex gets better with age. Here are some of our most interesting findings.
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