This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Forensic Medicine
Headache, behaviorial changes, Schizophrenia, like psychosis, visual hallucination and paranoid symptoms are seen in intoxication / abuse of? 
Select and explain. 
A. Amphetamines, B. Cocaine, C. Cannabis, D. Heroin
A: Amphetamines
Answer: A: Amphetamines 
Explanation: Ans. is 'a' i.e.,Amphetamines AmphetaminesAmphetamine is a powerful CNS stimulator. It acts on norepinephrine release in brain, along with an action on release of dopamine and serotonine.