The regulation of medical devices bears a passing resemblance to this giant version of the Rube Goldberg-style game Mouse Trap. Bill Ward/Flickr hide caption

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Bill Ward/Flickr

Johnson & Johnson is lowering the recommended top dose of Extra Strength Tylenol to reduce the risk of accidental overdose from acetaminophen. Paul Sakuma/AP hide caption

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Paul Sakuma/AP

Doctors perform a kidney transplant operation in Spain in 2010. One in three people with kidney failure has antibodies that make it hard to receive a transplant, but a new treatment can get rid of them prior to transplant. Xurxo Lobato/Cover/Getty Images hide caption

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Treatment Boosts Survival Rates For Some Kidney Transplant Patients

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Larry Holzman does a series of eccentric wrist exercises using a rubber bar called the Thera-Band FlexBar. Maggie Starbard/NPR hide caption

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A Rubber Twist On Treating Tennis Elbow Pain

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Exploring 'The Wild Life Of Our Bodies'

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Remodeling Hearts With Stem Cells

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A study of Ugandans found antiretroviral drugs can extend the lifespans of people with HIV to nearly normal lengths. Adek Berry/AFP/Getty Images hide caption

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HIV Treatment In Africa Brings Near-Normal Lifespan

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Birth Control Without Copays Could Become Mandatory

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Dr. Donald Brown, left, gives 14-year-old Kelly Kent a dose of Gardasil, a vaccine for the human papillomavirus in 2006. The group that advises the U.S. government on vaccination recommendations is now starting to take costs for vaccines like Gardasil into consideration as vaccine prices rise. Charles Rex Arbogast/AP hide caption

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Charles Rex Arbogast/AP

Rising Costs Complicate Vaccine Guidelines

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The trade in dried geckos, such as these from Indonesia, is on the rise amid growing demand for their use as an ingredient in medicinal and skin care products in Asia. Ulet Ifansasti/Getty Images hide caption

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Mindfulness-Based Stress Reduction teaches simple techniques — such as using slow breathing — to focus your attention. iStockphoto hide caption

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Rethinking Tinnitus: When The Ringing Won't Stop, Clear Your Mind

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For a long time, doctors thought tinnitus was a problem in the ears. They now think it's more of a problem in the brain. iStockphoto.com hide caption

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Tinnitus: Why Won't My Ears Stop Ringing?

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