A child, like an adult, does not need to experience violence to be affected by it. Just witnessing violent events can affect a child's mental health - and possibly physical health, too.

Among the treatments for dependence on opioids such as heroin or hydrocodone are methadone maintenance treatments, which block a person's cravings and relieve withdrawal symptoms.

If you've been a decades-long smoker, you need to be screened for lung cancer. Any doctor will tell you that. Now a task force has compiled formal lung cancer screening guidelines.

Research is looking for ways to understand which children are at risk for autism spectrum disorders (ASD), because knowing the risk factors can help with early detection.

Women, even former athletes, say they’re too busy to keep up with women’s sports. The notable exception is Olympic events, which are less frequent and bring out national pride.

A poor night’s sleep can leave you with a hazy outlook on life, fatigued during the day and coping with numerous related health issues. For those with Parkinson’s disease (PD), getting a good night's sleep is even more important.

Celiac disease involves an allergy to gluten, found in wheat, barley and rye. It's an autoimmune disease that some fear can be triggered by vaccines.

If you're light-skinned, you probably know what a sunburn is - you turn red, it's tender to the touch or flat out painful. It's a drag. So what causes all this? Scientists may now know.