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→Need for Pleasure
=====Need for Pleasure=====
In satate of addiction, when the the concentration of the recepture [http://en.wikipedia.org/wiki/Receptor_%28biochemistry%29 receptors] for pleasure signals is low, people will be more attracted to plesure, and will be ready to take more risks.
Also, when pain is common and plesure is scarce, people will take more risks, to achieve pleasure.