The soybean contains large quantities of natural toxins or “antinutrients.”
http://www.mercola.com/article/soy/avoid_soy.htm
http://drelaine.com/why-men-should-avoid-soy/
http://www.tandfonline.com/doi/abs/10.1080/07315724.2013.770648#.VCJAD5SSxd8
More from my site
Harvard study says cut out carbs, not fat to lose weight
Policy: India faces the problem of undernutrition rather than malnutrition
Success story: 19 kgs lost
Vegetarian paleo is like being a pacifist serial killer
What they eat: Dr Krunyan, a doctor with type 1 diabetes
Success story: Tall lass Sarah loses 31kgs