Mental health isn't just about what's going on in patients' heads. Mental health issues also can affect physical health. And the lack of awareness about the physical side of mental health may have serious consequences.

Electronic cigarettes are becoming a popular new way to help people quit smoking. But are they fixing the problem? Or just making tobacco more popular?

Schizophrenia can be treated with oral or injectable medications. The injections last longer and may help to keep patients from stopping treatment. But it's still unclear if newer injectable medications work better than the older ones.

Sleep apnea has been linked to problems with blood flow. As healthy blood flow is crucial to many functions of the body, including the five senses, it's possible that sleep apnea could play a part in damage to our senses.

Vaccines have prevented millions of illnesses, yet some uneasiness about their safety persists for some parents. One of the biggest concerns has been shot down again.

Kids who don't get enough sleep might drive their parents crazy sometimes, but there could be more at stake. Kids' waistlines could suffer too.

Smoking tobacco out of a water pipe has become very common and is often thought of as a safer alternative to smoking cigarettes. But is that belief backed up by evidence? 

Many people drink alcohol in social settings, both for fun or as a way to unwind after a hard day. But the reality of alcohol consumption across the globe can make "happy hour" seem not so happy.

Alcohol abuse can take a toll on your physical and mental health. A fraction of those who abuse alcohol get treated, and fewer still are believed to receive medication that might help.

Getting a head injury is a risk that comes with playing football. A disproportionate number of athletes in that contact sport have had a concussion, a brain injury that has been increasingly in the spotlight.