A large international study reports no overlap between the biological signatures of early depression and psychosis.

Major depression is one of the most common mental health conditions in the world. It affects millions of people and can cause deep sadness, loss of motivation, tiredness, and difficulty thinking ...

A new genetic and clinical analysis suggests that atypical depression represents a distinct biological subtype of the disorder with specific implications for treatment. The study found that ...

According to the World Health Organization (WHO), clinical depression affects nearly 300 million people worldwide. The Centers for Disease Control (CDC) estimates that 20 million or more people in the ...

Researchers found that the cells of young adults with depression overproduce energy while resting but struggle to respond to ...

WASHINGTON — In studies that examine the depressed brain, researchers were able to identify specific genes, molecules, brain regions, and cognitive features that are associated with the disorder. The ...

Using a novel lab method they developed, McGill University researchers have identified nine molecules in the blood that were elevated in teens diagnosed with depression. These molecules also predicted ...

The biology behind your behavior ...

The high prevalence of anxiety and depression in patients with narcolepsy suggests that a biological relationship is present between the disorders, but larger studies are needed. Sleep disorders are ...