Children should be allowed to play in the dirt, new research suggests

Children should be allowed to play in the dirt, new research suggests
http://www.telegraph.co.uk/health/healthnews/6630394/Children-should-be-allowed-to-play-in-the-dirt-new-research-suggests.html

"Children should be allowed to play in the dirt because being too clean can impair the skin's ability to heal itself, new research suggests."