Bromelain - it's a chemical in pineapple that's basically a meat tenderizer. Interestingly, if you have surgery or another procedure and need to reduce swelling afterward, drinking pineapple juice or eating fresh pineapple can help.

Many colleges are private entities - they can have whatever rules they'd like, and can kick you out for whatever reason they'd like. Many students choose to attend these types of schools because their religious beliefs align with the school's beliefs.