Where there is smoke there may be human evolution

Researchers at Penn State have discovered a mutation in the gene for the aryl hydrocarbon receptor which would desensitise an individual’s reaction to the aromatic hydrocarbons in smoke from cooking fires, and in meat roasted upon them, and through exposure to burning vegetation in the environment. This would cause these chemicals to be broken down […]

from The Evolution and Medicine Review http://ift.tt/2asQJMe