Dirt & Worms

I stumbled on this article while taking a quick look at the news during Luke's nap.
I think worms for dinner,no?

Personal Health
Babies Know: A Little Dirt Is Good for You
By JANE E. BRODY
Published: January 27, 2009
The hygiene hypothesis suggests that organisms that enter the body along with “dirt” spur the development of a healthy immune system.
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