Have you noticed that dairy products have come into question lately? Billboards displaying celebrities with milk mustaches are no longer ubiquitous. The dairy aisle of grocery stores now consists largely of dairy-free milks, yogurts, creamers, and even cheeses. What’s going on? Are we waking up to the fact that humans are the only mammals that drink another mammal’s milk? Are we rethinking the habit of consuming another mammal’s secretions in food and drink for the entirety of our adult lives, instead of weaning off of it at children? Is it really true that we can lower our saturated fat and cholesterol intake by choosing non-dairy products?