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

Depression-related fatigue is caused by cellular "overworking" at rest and a failure to produce energy under stress.

Researchers may have discovered a new way to diagnose and treat major depression at the earliest stage of the condition, ...

Researchers have discovered a surprising change in how cells produce energy in people with depression. Brain and blood cells in young adults with major depressive disorder produced more energy ...

In the early phases of depression and psychosis, patients often show altered inflammatory markers in the blood and structural changes in the gray matter of the brain. This was demonstrated in the ...