How can you eat dairy if you lack the gene for digesting it? Fermented milk may be key, ancient Mongolian study suggests

Cutting-edge study of ancient DNA and protein helps solve evolutionary riddle

from Latest News from Science Magazine https://www.sciencemag.org/news/2018/11/how-can-you-eat-dairy-if-you-lack-gene-digesting-it-fermented-milk-may-be-key-ancient