Seasonal depression, or seasonal affective disorder (SAD), is a type of depression caused by the change in season, according to Cleveland Clinic. Because you are stuck inside and it gets dark early, ...

Feel low during winter? It might be more than the 'winter blues.' Learn about Seasonal Affective Disorder (SAD), its causes, ...

Depression is characterized by a persistent low mood that can affect quality of life. If symptoms usually only occur in the winter months, it may be seasonal affective disorder (SAD), or major ...

It's easy to fill up with self-blame when you're depressed. That's one reason psychiatrists and therapists began to emphasize that depression is a physical state. Pharmaceutical firms argued that ...

Everyone feels depressed from time to time. But not everyone has depression. Depression, also referred to as major depressive disorder or clinical depression, is a condition that can cause severe ...

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 ...

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 ...

We do not really know what causes depression. Or what constitutes depression. Or why one person gets depressed as a result of circumstances that do not trouble another. Yet illness of the mind is real ...