A New York City doctor who recently returned from treating Ebola patients in West Africa tested positive for Ebola Thursday. Health officials placed the patient in isolation and began the search for people who might have come into contact with him.

The difficulties of chronic disease can affect many areas of life — perhaps even mental health, suggests a new study.

Type 1 diabetes is the most common form of diabetes diagnosed in children. And it appears that such diagnoses may have increased among one particular group of children.

Past research has posed many theories about factors that could influence autism in children, and the authors of a new study may have found one more. Children born in areas of high pollution may be more likely to have the disorder, the new study suggests.

Kidney stones are painful enough on their own. But they might put patients at risk for even more pain in the future, a new study found.

High blood pressure may be about as common today as it was a decade ago, a new study found. But patients with high blood pressure who visited their doctor more often and who kept their high cholesterol in check were more likely to have lower blood pressure.

In at least one area of the US, people have reduced their intake of dietary fats during the past three decades, a new study found. But some could still be eating the wrong types of fat.

Bariatric surgery to aid weight loss has become more and more common. But a new study suggests it could be tied to a surprising side effect — a condition that causes severe headaches.

In 2012, researchers published a study claiming that green coffee bean extract could help people lose weight quickly and easily. The product was featured on The Dr. Oz Show, and the popularity of green coffee soared. It turns out the findings of that study were extremely flawed.

Dopamine receptor agonists are medicines used to treat the symptoms of Parkinson’s disease. Patients who take them, however, may find themselves having trouble with impulse control.