Ancient DNA Proves We've Been Blaming the Wrong Villain for Allergies This Whole Time
免疫遺伝子の再発見：過去の「汚れた生活」は本当に守ってくれたのか？
For roughly a hundred years, the dominant medical narrative went like this: humans evolved in filth. Mud, parasites, unfiltered water, the occasional mouthful of soil. Our immune systems needed that …