Depression, like most diseases, has no single cause. Research into the possible reasons people develop depression has revealed that a combination of factors, alone or in tandem, play a role. These ...

For decades, some investigators and clinicians have promoted the theory that depression is caused by abnormalities involving the serotonin system. This hypothesis has been encouraged by pharmaceutical ...

A new Duke University study appears to ease concerns that clergy would steer congregants suffering from depression away from mental health providers and instead rely only on their faith. Clergy are ...

Why is the age of onset (the first depressive episode) dropping? DR. CHARLES NEMEROFF: So whether or not the rate of depression is increasing might be a matter of debate. What isn't a debate is the ...

There is no convincing evidence that low serotonin levels are the primary cause of depression. This is the conclusion of an "exhaustive" review by UK investigators, which upends the widely held belief ...

Some people may experience seasonal depression during the spring. Symptoms can include low mood, reduced motivation, and more. Home remedies and medical treatments may help. Seasonal depression, ...

A large international study led by researchers at the Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, shows that major depressive disorder (MDD) not only increases risk ...

A largescale new study provides further evidence that being overweight causes depression and lowers wellbeing and indicates both social and physical factors may play a role in the effect. With one in ...

Seasonal depression is a mood disorder with a pattern. People typically associate it with winter, when colder months and shorter days leave people feeling sluggish, agitated and even hopeless. But ...

As common as depression is—about one person in 10 experiences depression in any given year—it still eludes complete understanding. The trigger for depression can be almost any negative experience or ...