Study done at U of M relating to scratching (humans).
http://www.nytimes.com/2009/04/07/he...tml?ref=health
Study done at U of M relating to scratching (humans).
http://www.nytimes.com/2009/04/07/he...tml?ref=health
frecklesmom
Learning new things everyday

Thanks, that is really interesting! I forwarded the link to some relevant people.![]()
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