I have an hostile neighbour,he mixed some chemical in drinking milk, afterwards(in 20minutes) 1.)my thinking Speed is very low, 2.)my thoughts are slow down, 3.) If i try to think i have pain in front and right side of skull 4.)my brain activity drastically reduced He told that it would be REVERSIBLE if he give another chemical,but he didn't say what was the drug is. 10ago still the problem continues.. I am very frustrated sir pls help me.