In the sample in this study they found that 20% of people...
User snapdigity, in the MTHFR subreddit,
In the sample in this study they found that 20% of people were Val/Val, 37% met/met, and 43% Val/met. So I don’t know what you…
Associations between theCOMT Val/Metpolymorphism, early life stress, and personality among healthy adults
Overview of attention for article published in Neuropsychiatric Disease and Treatment, January 2006