In order to neutralize the acid, the body leaches calcium from bones. "Dietary protein increases production of acid in the blood which can be neutralized by calcium mobilized from the skeleton." - American Journal of Clinical Nutrition, 1995; 61,4. Animal proteins contain more methionine than...
I do think there is a lot of good in milk, and although it’s easy to say that one can get calcium from other sources, try feeding cooked spinach to a 2-year-old for a snack. !! It is nice to have milk, cheese, yogurt (and don’t forget ice cream!) for the kids especially...