According to the omniscient milk mustachios, among which have featured prominent actors, supermodels, athletes and even a US president, cow's milk is indispensable to our health. Apart from containing a robust assortment of vitamins and minerals, it supposedly spares our bones from the scourge that is osteoporosis, as well as a host of other calcium-deficient afflictions.
But in our collective rush for this Kool-Aid of the white variety, it seems we never stopped to ask some simple questions. Like how it is that humans managed in the days before we domesticated animals and were able to drink their milk. Or why it is that we depend upon cows (and to a lesser extent goats and sheep) for their milk, but would shrink at the thought of drinking milk from other mammals like pigs, horses or dogs.
From an evolutionary perspective, it is a preposterous notion that we evolved to require the milk from but a few species of other mammals. In fact, most humans cease producing significant amounts of lactase, the enzyme response for properly metabolising lactose, between the ages of two and five. So rather than evolving to need milk well past our formative years, nature has designed us, and indeed most mammals, to stop producing the relevant enzymes needed to digest and metabolise milk after we have been weaned.