While going without flu vaccination can mean risking an unpleasant few days of sickness for most, it can mean risking major illness and hospital time for those with certain conditions.

It’s been said time and time again, “I don’t eat healthier because it’s too expensive.” But according to a new study, eating healthier may not be all that costly.

Athletes often like to convey the image that they’re rough, tough, and can play through any injury. However, that may not be such a good idea.

Sometimes factors in our environment increase our risk of a particular condition without actually causing that condition. Still, knowing those factors can be helpful, for example, when it comes to ADHD.

Low levels of vitamin D have been linked to cancer, heart disease and other serious illnesses. But is a lack of vitamin D a cause or result of disease?

There is nothing like the smile of a child. And according to results of a new study, it looks like the US is improving in habits that help keep these smiles healthy.

Fatty liver disease develops when fat collects in the liver, preventing normal filtration and sometimes causing organ damage. A new study looked at vitamin D's role in this disease.

Nelson Mandela, the former President of South Africa, has died. He was 95.

Doctors have been warning us about the risks of sun exposure for years, and a new study shines a light on just how quickly you can get burned.

A wide range of psychotropic medications are available to treat mental health conditions, including disorders in teens. But how many teens are actually taking these medications?