Mood Disorders - BIOLOGICAL EXPLANATION - NEUROCHEMICAL

Limbic System; neurotransmitter pathways link the limbic system to other parts of the brain, to the endocrine system and to the autonomic nervous system.

Synaptic Cleft - neurotransmitters are only active for short time before they are destroyed, inactivated or reabsorbed - reuptake. 

Anti-depressants block the…