Wouter de Heij

http://www.medicalnewstoday.com/articles/316129.php

http://www.welingelichtekringen.nl/opinie/664298/open-brief-van-prinses-irene-aan-de-lijsttrekkers.html

https://www.newscientist.com/article/2123274-autoimmune-disorders-linked-to-an-increased-risk-of-dementia/?utm_medium=Social&utm_campaign=Echobox&utm_source=Twitter&utm_term=Autofeed&cmpid=SOC%7CNSNS%7C2017-Echobox#link_time=1488413192

http://articles.mercola.com/sites/articles/archive/2016/08/10/alcohol-consumption-cancer-risk.aspx?utm_source=twitter.com&utm_medium=referral&utm_content=twittermercola_ranart&utm_campaign=20170301_alcohol-consumption-cancer-risk

https://www.theguardian.com/society/2017/feb/28/increased-risk-of-11-types-of-cancer-linked-to-being-overweight-researchers-warn?utm_content=buffera8e8d&utm_medium=social&utm_source=twitter.com&utm_campaign=buffer

http://www.top-bv.nl/blog/blog/2013/09/16/zonder-kunstmest-geen-voedsel-voor-9-miljard-mensen/