Proper knife cutting control
A healthy activity there that doesn’t involve drug or alcohol use would be working out in a gym- they can socialise, raise their heartbeat, become fitter and have fun. Hope this helps!
Undifferentiated schizophrenia is different from other schizophrenic disorders is that it there is too many symptoms belonging in that category. Whereas the others are very precise.
Probably leukocytes because those are white blood cells which are manufactured in bone marrow.