Clinical Depression

Definition

Clinical depression refers to a mental health disorder characterized by persistent feelings of sadness, hopelessness, and a loss of interest in daily activities. It is more severe than occasional feelings of sadness and can significantly impact one's ability to function.

Related terms

Serotonin:

A neurotransmitter involved in regulating mood, appetite, and sleep. Low levels of serotonin are often associated with clinical depression.

Dopamine:

Another neurotransmitter that plays a role in pleasure and reward. Imbalances in dopamine levels may contribute to depressive symptoms.

Cortisol:

Known as the "stress hormone," cortisol is released by the body during times of stress. High levels of cortisol over an extended period are linked to depression.