In 1989, Dr. David Strachan formulated the hygiene hypothesis, which states that lack of exposure to “infections” in early childhood to diseases that are transmitted by contact with older siblings could be a cause of the rapid rise in atopic disorders over the last 30 to 40 years. He further theorized that this lack of exposure is not only caused by the trend towards smaller families, but also by improved household amenities and higher standards of personal cleanliness. Read more: bit.ly/1CzNwox
Posted on: Tue, 02 Dec 2014 13:20:01 +0000
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