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Originally Posted by Omah
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That report suggests people confuse dirt with bacteria which i dont think is the case its fairly obvious to me when people say that they mean letting them play out in the dirt will expose them to a lot of varieties of microbes that can help them build up immunity that theories never been disproven and now we live in an age where we constantly try to sanitise the world around us which is coinciding with allergys and asthma going through the roof it seems the theory holds some weight.
There are studies that have show children that have grown up with pets are significantly less likely to grow up suffering from allergies and asthma.
http://www.webmd.com/parenting/guide...and-dirt-germs