thwart
04-25-2013, 12:00 PM
The immune system is an amazing thing.
Warning: you may not want to read this before (or during) lunch...
http://www.bbc.com/future/story/20130422-feeling-ill-swallow-a-parasite
Warning: you may not want to read this before (or during) lunch...
http://www.bbc.com/future/story/20130422-feeling-ill-swallow-a-parasite