I phone fagged a response to this last night, but this unstable board shot me away before I could post.
Zinc deficiency is rampant in the US. Zinc deficiency leads to low testosterone, which turns a population of healthy men into effeminate, soyboy, complecent, easy to control, sexually confused…well, you see where I'm going.
Lucky for the DS, Zinc Deficiency also appears to allow for certain viruses to run wild on us.
Coincidence?
https://www.ncbi.nlm.nih.gov/pubmed/8875519