DEET's Nastiness Extends to Humans
http://www.usnews.com/articles/science/2009/08/11/deets-nastiness-extends-to-humans_print.htm
http://www.usnews.com/articles/science/2009/08/11/deets-nastiness-extends-to-humans_print.htm
"Study finds the bug-repellent ingredient stops an enzyme from doing its job."