flour can be toxic?

http://www.standardmedia.co.ke/article/2000196909/experts-warn-of-poisonous-flour-in-market/

pesticide residues found in zucchini

During a check of state services on the local market gardens in summer 2015, dieldrin and chlordane residues were detected on zucchini from the Bordeaux region.
Our Pesticide residues test kit is designed for this purpose.

A new study that male fish are turning into females

http://news.mongabay.com/2016/04/a-sex-change-phenomenon-in-fish-suggests-there-is-something-in-the-water/