Lifestyle habits like tobacco and alcohol consumption along with level of physical activity have wide-reaching impacts on health.

Depression is common among diabetes patients and has been linked to negative health outcomes such as heart disease and death. And there may be more.

Mental illness affects so many people, yet studies on mental illness are often small and focus on just one type of condition. Looking at the big picture may be necessary to fully understand the nature of mental illness and its treatment.

Sometimes, we take sleep for granted. But getting a good night’s sleep can be key to maintaining a healthy metabolism and preventing diabetes and obesity.

Could tooth loss present more than just an oral health problem? New research suggests dental hygiene could have a broader impact on well-being.

Mood-stabilizing medications are used to treat mental or neurological conditions, but a new study suggested that one of these medications might have an unexpected effect — preventing cancer.

Getting the correct dose of medication into the bloodstream means patients get the most from their medications. However, smoking may affect that process.

Although mental decline in old age is common, the exact rate is still not known. It also remains unclear when people should get screened for mental decline.

Some have suggested that e-cigarettes can be a beneficial tool for smokers trying to cut back on their tobacco habit, but evidence may be lacking for these claims.

More than 90 percent of youth in America play video games. Many of these games are violent and contain mature themes. Are they changing the way children and teenagers think about aggression?