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Stress & Focus

Your result, the one DNA position behind it, and what the research says.

5/10 confidence.

About Stress & Focus

COMT is an enzyme that clears dopamine out of the prefrontal cortex, the brain region behind planning and focus. This common variant changes how fast it works: the slow version leaves more dopamine around (often nicknamed the 'Worrier'), while the fast version clears it quickly (the 'Warrior'). In everyday life the effect on thinking and stress is subtle, and easily shaped by sleep, mood, and context - so it's one influence among many, not a fixed label.

Good to know: The effect is subtle and easily outweighed by sleep, mood, and caffeine. Neither end is 'better' - each trades focus against stress resilience. This is one gene within a much larger system.

Fun fact: Caffeine and stress both shift prefrontal dopamine, often mattering more day-to-day than your COMT type.

Discovery: The 'warrior / worrier' framing emerged from cognitive studies in the early 2000s.

The Variant

The single variant behind this trait

Gene: COMT

Variant (rsID): rs4680

Location: Chr 22:19,963,748

dbSNP rs4680

The studies

Association between executive functions and COMT Val108/158Met polymorphism among healthy younger and older adults: A preliminary study (Apa Z et al., PloS one, 2024)

Other lifestyle traits

Word Recall: A variant in the KIBRA gene, reported in some studies to track with how many words people recall in memory tests.

Left-Handedness: A change in a metal transporter gene, one of dozens of positions linked to which hand people write with.

Processing Speed: A change in an APOE intron linked to performance on a timed symbol-matching task.

Back to All Traits

Content updated September 2026.

ReadYourDNA provides educational interpretation of DNA data you already have. It is not diagnostic, not a substitute for professional medical advice, diagnosis, or treatment, and is not intended to diagnose, treat, cure, or prevent any disease. Talk to a clinician before acting on any result.

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