rs1843809(G;G)

Slightly decreased risk for ADHD

Magnitude
1.5Minor
Repute
Good
Frequency
7%Average of 11 populations
On SNPedia
rs1843809(G;G)
Gene
TPH2

Frequency

Share of people with G;G in each HapMap population.

  • Luhya (Kenya)20%
  • Yoruba (Nigeria)17%
  • African ancestry (Southwest US)16%
  • Maasai (Kenya)14%
  • Tuscan4%
  • European ancestry (Utah)2%
  • Han Chinese (Beijing)2%
  • Gujarati Indian1%
  • Japanese (Tokyo)<1%
  • Chinese (Denver)0%
  • Mexican ancestry (Los Angeles)0%

Other genotypes of rs1843809

  1. T;TNot ratedMost common genotype worldwideMinor · 1.064% of people

All about rs1843809

Notes

From SNPedia

G allele associated with slightly decreased risk for ADHD https://www.nature.com/articles/4001698

Source and license

Adapted from rs1843809(G;G) on SNPedia, using a snapshot taken October 16, 2026. SNPedia content is shared under CC BY-NC-SA 3.0 US, and this page is shared under the same license.

SNPedia is a community-edited wiki. Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice. Magnitude is a community rating of how interesting a genotype is, not a risk score.