A concussion can be unsettling, especially if the symptoms are severe. But severe symptoms do not necessarily mean a longer recovery.

Most parents using out-of-home childcare are familiar with the list of illnesses that mean they can't bring their child to daycare that day. Yet such lists may be driving up healthcare use.

The risk of skin cancer for those who are exposed to the sun without adequate protection is well established. But what about exposure to tanning beds?

In 2003, the Food and Drug Administration (FDA) issued several warnings about a possible increased risk of suicide among young people who were prescribed antidepressants. However, these warnings may have had the opposite effect than intended.

Previous studies have estimated that 40 to 80 percent of medical information told to a patient by a doctor is forgotten immediately. New research says there may be an easier way to help patients remember what their doctors told them.

When senior women don't get enough calcium from their diet, they may take supplements. But taking too much calcium or vitamin D in supplement form may also be problematic.

There has been a debate about ADHD and whether it's overdiagnosed. To date, there has not been an objective way to diagnose the condition, but new research may change that.

Chemotherapy is the use of medications to treat cancer. Like almost any other medication, chemotherapy can have side effects. The FDA recently warned of a potential side effect of one chemotherapy medication.

Endometrial cancer is less common in Asian countries than in Western countries. A new study has found these lower rates don't seem to result from a specific food that Asian women eat.

Cigarette smoking and diabetes are associated with a higher risk of pancreatic cancer. Now another risk factor for this cancer has been confirmed.