> humanity hasn't existed for anywhere close to 10M years. From the article: " Humans, unusually, have a pair of enzymes that turf it out like night-club boun

> humanity hasn't existed for anywhere close to 10M years. From the article: " Humans, unusually, have a pair of enzymes that turf it out like night-club bouncers. Our ability to process alcohol has deep evolutionary roots. Ten million years ago a common ancestor of humans, chimpanzees and gorillas acquired a mutation that let them remove ethanol from the body more efficiently. This adaptation coincided with a change of habitat. Tropical forests were collapsing, notes Robin Dunbar of Oxford University. Some 90% of apes went extinct. One lineage survived by leaving the trees and foraging on the ground."