
Abuse:
The drug abuse is the second stage and accepted essentially two ways:
1) The use of the drug against different stimuli, but still no regularity in time. Example: the student who also use drugs before a test, used to claim the increased performance in a sports competition, brightest display in a social gathering, etc.
2) Change of the drug, provided that still occur irregularly in time.
The individual uses different drugs, adverse effects in a compensatory manner. The individual taking stimulants for studying, sleeping and depressants to counteract the effect of the first and those rising again to overcome the dullness and able to go to work. Whether creating a vicious circle impossible to stop himself, without specialized assistance .
3) Addiction (psychological dependence on drugs and psycho). When we have been describing the process regularly takes the time and becomes permanent, the individual has reached the last stage: the drug .-
Habit:
It is the body’s adaptation to the drug, with the consequence that over time the same dose will produce no effect. For the same level of responses must therefore be increased gradually.

