Cows’ milk was designed for calves, not humans. Other mammals stop drinking milk past infancy. Lactose intolerance is proof we are not designed to drink milk as we grow up. Paleolithic people didn’t drink milk past infancy, and hence our body is not designed for it. No other species feeds off another species’ milk. read more
There isn't enough human milk produced at any one time to feed all the humans in need of that source of nutrition. So cows' milk is an excellent substitute that's widely and readily available. We are the top of the food chain, and we got there by evolution, intelligence, and cunning. read more
My friend decided to stop drinking milk, because "cow milk is meant for calves, not humans." There are several solid reasons to stop drinking milk but some plausible argument about what your body is or is not designed to do should not be one of them. read more