COMT "warrior vs worrier" (stress & dopamine)

COMT clears dopamine from the thinking part of the brain. A common variant slows it down: the slower 'Met' version is nicknamed 'worrier' (a touch more stress-sensitive, sometimes sharper focus), the faster 'Val' version 'warrior'. The real effects are small and heavily hyped, so treat it as fun.

Possible results

Val/Val ('warrior'). You have two 'Val' copies of COMT, so you clear dopamine from your prefrontal cortex quickly. This is nicknamed the 'warrior' type, loosely tied to steadier stress handling (and, in some studies, slightly less sharp working memory at rest). The effect is small and the labels are pop-science, so enjoy it as trivia.

Balanced (Val/Met). You carry one 'Val' and one 'Met' copy of COMT, an in-between dopamine-clearing speed. Most people sit somewhere around here, and this gene's effect on stress or focus is small either way.

Met/Met ('worrier'). You have two 'Met' copies of COMT, so you clear prefrontal dopamine slowly, the 'worrier' nickname, loosely linked to a bit more stress-sensitivity and, in some studies, sharper working memory. The science is contested and the effect is small, so take the label lightly.

Evidence & sources

Across global populations, about 25% of people carry two copies of this variant, and about 26% carry none.

Related

BDNF memory & stress variant (Val66Met) · Coffee consumption · Dopamine reward sensitivity (DRD2 Taq1A) · Morning vs evening preference (CLOCK) · Nicotine dependence / cigarettes per day · Oxytocin receptor / empathy tendency