People carrying three Neanderthal variants — known as M932L, V991L, and D1908G — in the gene SCN9A are more sensitive to pain from skin pricking after prior exposure to mustard oil, according to new research. Analyzing high-density genotype data from 7,594 Latin Americans, Faux et al. characterized Neanderthal introgression in the SCN9A gene. Image credit: Holger Neumann / Neanderthal Museum. In the study, Dr. Kaustubh Adhikari from University...
