natural selection
3 stories
-
healthThe Evolutionary Trade-Off: Why Long Life Often Means Poor Health
Evolutionary genetics reveals that natural selection weakens after reproduction, allowing harmful mutations to accumulate in old age, shaping the link between longevity and disease.
-
healthIndigenous Andeans Evolved Better Potato Digestion, Study Finds
A new study shows Indigenous Andeans have more starch-digesting amylase genes, an adaptation to potato domestication.
-
healthNew Study Reveals Natural Selection Continues to Shape Human Genes
A massive genetic study indicates natural selection has influenced hundreds of gene variants in humans over the last 10,000 years, impacting traits like skin color and disease risk.