A new DNA study found that Peruvian Andeans possess a high number of salivary amylase genes, or AMY1, for digesting starchy foods like the native potato.
Human beings have never ceased to evolve. While it is known that high-altitude populations have adapted to lack of oxygen, a major study published in Nature Communications reveals a much more ground-to-earth selection pressure: feeding. By analyzing the genome of thousands of individuals around the world, researchers have discovered that [...]