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Single, random change to gene during fetal development causes birthmarks and the more serious Sturge-Weber syndrome

Study of 4 women found E. coli that 'migrated' and thrived

WebMD helps you decide whether a hip or knee replacement is right for you.

Use WebMD's 7 steps to ease the pain and stiffness of osteoarthritis.

Understanding specialized cells could be key to preventing genital herpes, researchers say

Learn smart ways to get around, cook, dress, and stay independent when you're nursing a broken bone.

Now that the federal government is building health insurance Marketplaces (also called Exchanges) in 34 states, the question is: Will customers come?

N.J. Gov. Chris Christie Had Weight Loss Surgery

Xiaflex up for FDA approval later this year, but some experts think injections required would be a hard sell

Obese adults embrace walking program to avoid hike in insurance premiums, study finds

Unnecessary shocks from the heart devices are often distressing, come with their own risks, experts say

Study found they were more likely to have a higher PSA test score, advanced disease and shorter survival

Study finds statin medications tied to lower death risk after nearly 4 years of follow-up

Most sellers extol benefits with little mention of potential health hazards, study finds

The "War Machine" reveals his workout secrets, his diet, and just how it feels to be in that iron suit. Plus, why he and other celebs started Not On Our Watch.

The actress-turned-author talks about food, fitness, and her deep love of cleaning.

The Big Wedding star cofounded a nonprofit devoted to animal welfare.

With five kids and a successful career, this actor/dad has learned how to stay healthy.

Men least likely to nod off were most likely to have severe disease, researchers found

Researchers aren't sure why these meds are linked to chances of contracting C. difficile