> trying to relieve an underlying issue Often enough that might simply be hunger and thirst, eg with coffee and cigarettes. With other addictions a physical d

> trying to relieve an underlying issue Often enough that might simply be hunger and thirst, eg with coffee and cigarettes. With other addictions a physical dependence is less apparent and I wondered before, why obsessive compulsion is never mention in this regard. Take gambling for example. As the comment about rat-park points out, nicotine or opiate addiction do have an extrinsic physical aspect. In any case, the internal chemistry always plays a role.