Calcium is unique among metals because its ions have a very large concentration gradient across the plasma membrane of all cells, from 10 â3 M Ca 2+ outside, to 10 â7 M Ca 2+ inside.
Originally Posted by Quinne. I think it has a lot to do with motives.... What I learned through studying Alcohol & other Drug work is that in counselling terms, a lapse is a hiccup and a relapse is full-blown return to old behaviours, as well as active addiction.
Relapse is a cardinal feature of addiction, and one of the most painful. Most people who struggle with addiction will have one or more relapses-the return to drug use after a drug-free period-during their ongoing attempts to recover.