Cannibalism’s DNA Trail: Gene may signal ancient prion-disease outbreaks

Cannibalism among prehistoric humans may have left lasting genetic marks, a team of scientists contends. Their controversial argument hinges on a link between specific DNA mutations and a disease that afflicted South Pacific villagers who practiced cannibalism as late as 1950.

Gene variations that protect against prion diseases–deadly neurological illnesses caused by proteins known as prions (SN: 10/11/97, p.