Psychopathology is the study of mental distress or mental impairment. It deals with the behavior which is rise due to psychological illness.
Neurotransmitters are chemical messengers that transmit the signal from neurons to neurons and balance or boost the signals. These transmitters affect both mentally and physically in an individual.
Also, no coach has the right to ban you from doing something. It's not their job to tell you so, but I understand that he is only looking out for the team's best interests at heart.
