Put on medication in the original volume will have no effect. Need to increase the size and frequency of drug use to achieve satisfactory levels cause addiction.
Cause when the same amount of medication has no effect. To increase the size and frequency of drug use to be satisfied according to cause symptoms, drug.
make use of the amount of Old when there will be no effect to increase the size and the frequency of the drug that has been used to provide a level of satisfaction that cause symptoms drug addicts