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Less won't give enough vitamin D, but more can lower iron stores, researchers say.

In the hours and days following the mass shooting at Sandy Hook Elementary in Newtown, Conn., here’s how to help your kids cope with the horrific tragedy.

Palpitations, rapid breathing and dizziness are signs of an irregular heart rhythm. The most common type is atrial fibrillation. It can be brought on by drinking more than you normally do.

Study finds serious eye and vision problems on the rise in the U.S. Find out what’s to blame.

Born on 12/12/12. The triple whammy won't come again for a thousand years.

Make these healthy, skin-friendly choices while navigating your way through an array of holiday treats.

Sometimes it's not possible to end the pain, but that doesn't mean it has to take over your life. Proven pain management techniques can restore hope and purpose to people who have migraines and to others in pain.

An experimental treatment using bio-engineered T cells has cured a 7-year-old girl of leukemia by "reprogramming" her immune system to attack the cancerous cells in her body.

A third of participants reported having been victimized in relationships between baseline and first follow-up.

Your skin is your armor against infection, and during the winter, it's under assault.

In a clinical trial, doctors at Mayo Clinic are treating epilepsy with an experimental stimulator that uses electricity to shock seizures away.

A weight-loss surgeon says the pounds you put on during the holidays won't come off in January, no matter how many resolutions you make.

Music therapy is helping some COPD patients cope with debilitating physical and emotional symptoms, and Vivian Engstler is a case in point.

Deep brain stimulation offers hope for patients with essential tremors, but the surgeons must be guided by the patient himself. For Roger Frisch, that meant playing the violin while having brain surgery.

The holidays herald a chorus of stresses that can trigger headaches, so if you suffer from migraines, this is not necessarily the season to be jolly.

A man wishing to maintain a healthy sex life should be sure to take good care of his teeth, says a new study.

Knowing exactly what a calorie costs may help you avoid reaching for that cupcake.

Knowing exactly what a calorie could cost you in exercise may help you avoid eating that cupcake or having an extra helping of dressing at a holiday meal.

Researchers found that nasty germs are as prevalent on your "plastic" as on your bills.

When willpower isn't enough, take control with these quick and easy tips from nutrition expert Keri Glassman.