Why do farm kids have fewer allergies and less #asthma – more cow poop?

poop

Kids who grow up on farms are far less likely to develop asthma or allergies compared with the average child — and now scientists think they know why.

A study published in Science today shows that bacteria found in farm dust trigger an immune system response in the lungs of mice. That response seems to be why those mice are protected from allergies and asthma in following weeks. The study also suggested there was a genetic component to the protective benefit.

Source: Here’s why farm kids have fewer allergies and less asthma | The Verge

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