"Today society accepts the idea of improving one's image," says Dr. Ivo Pitanguy, Brazil's most famous plastic surgeon. Here a patient receives an injection of hyaluronic acid to plump up her lips at the Brazilian Society for Aesthetic Medicine in Rio de Janeiro in 2008. Antonio Scorza/AFP/Getty Images hide caption

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Plastic surgeons tend to say a patient is going to look "refreshed," not younger. iStockphoto.com hide caption

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The number of eyelid lifts reimbursed by Medicare more than tripled from 2001 to 2011, according to the Center for Public Integrity. Here, a woman is prepared for the procedure, along with an eyebrow lift. Media for Medical/UIG via Getty Images hide caption

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A silicone gel implant (left) and a saline gel implant. The FDA agreed to let implants return to the market in 2006, but stipulated that manufacturers track long-term side effects. Spencer Platt/Getty Images hide caption

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New York plastic surgeon Brad Jacobs holds a silicone gel breast implant in 2006. That year the FDA allowed silicone implants back on the market, after a 14- year hiatus. Spencer Platt/Getty Images hide caption

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Scarlette Wiens touches the chin of her father, face-transplant recipient Dallas Wiens. Lightchaser Photography/Brigham and Women's Hospital hide caption

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