What is a word for belief of illness when one is not ill

Gregory was caught smoking marijuana on his school’s campus during lunch. this is not the first time gregory has violated the school’s drug-free policy. his principal has decided to expel him, and he may face fines and time in a juvenile detention facility. gregory faced consequences when he was sent to juvenile detention after repeatedly violating the school’s drug-free policy.

Ways to when your friend is going through social isolation?

In the 2010 ncaa men's lacrosse annual meeting, a rule change regarding "get it in/keep it in" was added to what section?