COMT (Catechol-O-Methyltransferase): COMT is an enzyme that plays a crucial role in the metabolism of catecholamines, including dopamine, epinephrine, and norepinephrine. It is essential for regulating neurotransmitter levels in the brain and is associated with psychiatric disorders such as schizophrenia. COMT also influences the body's pain response and has been studied in connection with pain sensitivity and various mental health conditions.