Sunday May 6th, 2012 informationliberation.com
Amish farm kids remarkably immune to allergies: study (Reuters)
NEW YORK (Reuters Health) - Amish children raised on rural farms in northern Indiana suffer from asthma and allergies less often even than Swiss farm kids, a group known to be relatively free from allergies, according to a new study.

"The rates are very, very low," said Dr. Mark Holbreich, the study's lead author. "So there's something that we feel is even more protective in the Amish" than in European farming communities.

[...] The study did not determine why the kids who grew up on farms were less likely to develop asthma and allergies, but other research has pointed to exposure to microbes and contact with cows, in particular, to partially explain the farm effect (see Reuters Health story of May 2, 2012).

Drinking raw cow's milk also seems to be involved, Holbreich said.

The going theory is this early exposure to the diverse potential allergens and pathogens on a farm trains the immune system to recognize them, but not overreact to the harmless ones.

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