Instead, the partially digested food is eliminated quickly, still in its watery state. Any food eaten with milk is also coated. In fact, casein is so gooey, it is the main ingredient in all wood glues. Drinking it cold and pasteurized makes it even worse. And consuming it with another kind of protein food may also cause diarrhea.
Milk also causes chronic gastrointestinal irritation, leading to eczema, diaper rash, and diarrhea.
It stems from the fact that cow's milk is a somewhat coarser emulsion than that of human milk, possibly due to the difference in the amount and quality of unsaturated fatty acids. Vitamin and mineral differences play an important role as well. There are many books that deal with the digestive problems caused by consuming milk. Another common, but inappropriate food is the routine feeding of starchy foods to infants. In the salivary secretion the starch digesting enzyme, ptyalin, does not appear in appreciable quantity until at least age 6 months.