Have Type 2 diabetic mentally challenged person who was recently put on a diet by his staff at his voc site not doctor ordered. In the past 2 weeks he has had 2 occasions where he became violent throwing chairs and dumping tables. Meds are are working fine and his mental health practioner says she willnot change them its physical. Could this be to much of a dip in his meals. He eats less than 1400 calories per day but is physical active.