John Hopkin&#x27;s might disagree:<p><a href="http:&#x2F;&#x2F;www.hopkinsmedicine.org&#x2F;news&#x2F;media&#x2F;releases&#x2F;newborns_exposed_to_dirt_dander_and_germs_may_have_lower_allergy_and_asthma_risk" rel="nofollow">http:&#x2F;&#x2F;www.hopkinsmedicine.org&#x2F;news&#x2F;media&#x2F;releases&#x2F;newborns_...</a>