> In fact, at a molecular level in the brain almost all addictive substances and activities have a physical component. Surely you could remove the "almost" fro

> In fact, at a molecular level in the brain almost all addictive substances and activities have a physical component. Surely you could remove the "almost" from this sentence and it still be right. ALL deliberate behaviours are caused by brain activity, and therefore have physical components because the brain is a physical object.