That and soy. Soy products, especially soy milk, is pure poison. Vegans, who seem to like soy, are particualrly vulernable to not being able to reproduce.
Keep in mind, soy is in nearly all processed foods. Add to that is it a GMO and also is "Roundup Ready".
From back in 2008:
"Eating a half serving a day of soy-based foods could be enough to significantly lower a man's sperm count, U.S. researchers said on Wednesday.
The study is the largest in humans to look at the relationship between semen quality and a plant form of the female sex hormone estrogen known as phytoestrogen, which is plentiful in soy-rich foods.
"What we found was men that consume the highest amounts of soy foods in this study had a lower sperm concentration compared to those who did not consume soy foods," said Dr. Jorge Chavarro of the Harvard School of Public Health in Boston, whose study appears in the journal Human Reproduction.
"It was a relatively large difference," Chavarro said in a telephone interview.
Chavarro said studies in animals have linked high consumption of plant-derived estrogens known as isoflavones with infertility...
edit on 7-12-2012 by davjan4 because: (no reason given)