Potatoes may have given Indigenous Andeans a digestive superpower
The rise of the potato in the Andes appears to have left a lasting mark on human DNA. Indigenous Peruvians carry exceptionally high numbers of a starch-digestion gene, likely because people with more copies gained an evolutionary advantage once potatoes became a staple food. The change began thousands of years before European contact, providing unusually strong evidence that diet can shape human…
We haven't written up this one. ScienceDaily has the full story — the link below goes straight to it.