"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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