> The most fascinating thing to me though is why some of us continued to be lactose persistence and passed on that gene down to descendants. It's kind of diffi

> The most fascinating thing to me though is why some of us continued to be lactose persistence and passed on that gene down to descendants. It's kind of difficult to overstate how incredible of a nutrition source cow milk is. You can see this by simply looking at prices and nutrition facts in your local supermarket. Cow milk will give you 2400 calories—well balanced between protein, fat, and carbohydrates—for less than $3. There simply is no other food that comes close to being so healthy, yet so cheap.