Diabetes includes two diseases: Type 1, in which the body does not produce insulin, and Type 2, in which the body can no longer use the insulin it produces. Each one follows different courses of progression and requires different types of treatments. The occurrence of Type 2 diabetes—linked to diet, obesity, and inactivity—is on the rise. More than 30 million American children and adults suffer from diabetes, and approximately 1.5 million new cases are diagnosed each year in the United States, according to the American Diabetes Association. As doctors and researchers learn more about the...

Suicide is the third leading cause of death among young people and the 11th leading cause of death for people of all ages. Family conflicts, legal or work problems, difficulty in school or social situations, and other stressful life events can all contribute to someone's choice to commit suicide. Physical or mental illnesses can also be significant factors. But the reasons behind suicide never justify the act. With treatment and help, all these problems can be faced and overcome.

Suicide explores the root causes of suicidal behavior, how to recognize it, and how those at...