Humans in The Andes Seem to Have Evolved an Unusual Genetic Ability
Researchers identified a genetic variant in the AS3MT gene among people in San Antonio de los Cobres, Argentina, who have lived for thousands of years with drinking water containing 200 micrograms of arsenic per liter. This variant allows the population to metabolize the toxic chemical more safely, representing the first evidence of human adaptation to a specific environmental toxin.
Source: Humans in The Andes Seem to Have Evolved an Unusual Genetic Ability — ScienceAlert
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