Health experts say Americans shouldn't be overly concerned

Here are possible symptoms

Here are common factors

And repeat surgery is likely for many younger recipients, researchers predict

Analysis looked at a variety of ethnic groups

Black-and-white hide least likely to attract horseflies, study says

Study found respiratory distress syndrome more likely in small, premature infants born by cesarean

More than 95 percent said they ordered unnecessary tests, referrals and hospitalizations to protect themselves

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Enjoy the nutrients without adding too many calories

Suggestions to help ease the pain

Study found men who had the first had 74% higher chance of developing the second

Case report says victims thought they'd ordered amphetamine, but got drug that turned their skin blue

Early lab study showed reduction of disease-related plaque

Surveyed surgeons said Botox, nose and eyelid modifications among most common requests

Parents, educators, caregivers, friends can respond to severe food allergies

But majority of adults still not told to get active during office visit, report finds

Rate among U.S.-born Hispanic women nearly triple that of women here less than a decade, study says

After unusual femur break, patients should not take bisphosphonates, researchers say

Annual Red Dress fashion show highlights the leading threat to women's health, heart disease