COMT (Catechol-O-Methyltransferase): COMT is an enzyme that plays a key role in the metabolism of catecholamines, such as dopamine, epinephrine, and norepinephrine. It is important in the regulation of neurotransmitters in the brain and is implicated in psychiatric disorders, including schizophrenia. COMT is also involved in the pain response and has been studied in relation to pain sensitivity and various psychiatric conditions....