Why Amish Kids Get Less Asthma: It's the Cows

One way to reduce children's rates of asthma may come from dairy farms, a new study finds. Kids who grow up in Amish communities have much lower rates of asthma than the general population, potentially thanks to their exposure to the communities' dairy farms at an early age, according to the study, published today (Aug. 3) in the New England Journal of Medicine.