http://www.sciencedaily.com/releases/2015/03/150330213951.htm#

“avoiding pesticide residues, such as consuming organically-grown produce or avoiding produce known to have large amounts of residues, may be the way to go.”

Published Research Paper:

http://humrep.oxfordjournals.org/content/early/2015/03/27/humrep.dev064.full.pdf+html