3 ms·
Hygiene hypothesis hasn't been proven yet.
by emilp89 9y ago
Hygiene hypothesis hasn't been proven yet.
- btilly 9y agoIt may not be conclusively proven, but there is strong supporting evidence. See, for example, http://www.jacionline.org/article/S0091-6749(15)01193-8/abstract http://www.jacionline.org/article/S0091-6749(15)01193-8/abst....