7and the swine, though it divides the hoof, having cloven hooves, yet does not chew the cud, is unclean to you. 8Their flesh you shall not eat, and their carcasses you shall not touch. They are unclean to you. See the p. 188 Biblical Commentary above. Not only did God use this law to clearly separate the Israelites from other nations, but it is logical that God used this to keep His children healthy too.
Pork is also a forbidden food item in cancer patient dietary plans.