At the Wikipedia entry on Drug Rehabilitation it says the following: “With regular use of many drugs, legal or otherwise, the brain gradually adapts to the presence of the drug so that the desired effect is minimal. Apparently normal functioning of the user may be observed, despite being under the influence of the drug. This is how physical tolerance develops to drugs such as heroin, amphetamines, cocaine, nicotine or alcohol. It also explains why more of the drug is needed to get the same effect with regular use.”

This suggests that as you smoke, say, 10 cigarettes a day, your brain develops tolerance to it and to get the same amount of satisfaction as you did when you first started smoking you need to increase the amount you smoke, maybe go up from 10 cigs per day to 20 cigs per day. If you smoke, does this happen to you? Does this hypothesis sound right? Is there any scientific evidence for this ramping up of smokes?

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I need photos of medical and drug/alcohol rehabilitation pictures.

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