mattotcha, 2 months ago to Health Is playing in the dirt good for kids' immune systems? https://www.livescience.com/health/allergies/is-playing-in-the-dirt-good-for-kids-immune-systems #health #children #dirt #play #immunology #pathogens #OldFriends #HygieneHypothesis
Is playing in the dirt good for kids' immune systems? https://www.livescience.com/health/allergies/is-playing-in-the-dirt-good-for-kids-immune-systems #health #children #dirt #play #immunology #pathogens #OldFriends #HygieneHypothesis