Thursday, June 19, 2014

Pavlovian Response and Drug Overdose

There are a limited amount of places where one can do drugs. Of those places, drug users select a certain few places where they prefer to do drugs, and then do drugs most often at a select number of places that are convenient. Essentially, a regular drug user will often have a regular place to take their drugs. After they've done drugs regularly in the same place, the connection is made. A bathroom, a bedroom, a certain club, will always be associated with drug use. People trying to quit drugs often talk about how they have to avoid their old haunts, because they feel a rush of anticipation. That rush is not just mental. Scientists learned that putting a dog in a certain injection booth every day and injecting it with adrenaline produced a dog with bradycardia - a dangerously slow heartbeat - when they put the dog in the same booth but only injected it with a placebo. The dog's body was compensating for the adrenaline it anticipated. It was trying to reduce the dangerous effects of the adrenaline by slowing down the dog's heartbeat. A drug user's body does the same. more

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