A liquid food substitute, usually made from genetically modified soy beans -- soy beans grown on dirt, and contaminated with pesticides, herbicides and usually hexane. Massive amounts of sugar are added, so it doesn't cause gagging. We know sugar is healthy, because it has a lot of carbon, and humans are, after all, carbon based life forms.
Soy milk causes estrogen overload, reduces ability to digest protein, blocks uptake of minerals, and has many other health benefits.
Soy milk has got to be healthier than anything from an animal. Yum!!