An ancient virus may promote addiction in modern people: the HERV-K HML-2 infected the primate lineage about 30 million years ago; new research shows that in some people the genes the virus left behind meddle with mechanisms associated with pleasure in the brain.

An ancient virus may promote addiction in modern people: the HERV-K HML-2 infected the primate lineage about 30 million years ago; new research shows that in some people the genes the virus left behind meddle with mechanisms associated with pleasure in the brain.: https://ift.tt/2zOXExg Read more... https://ift.tt/2NjswcK