> They cause harm, to the point of leaving behind a wake of debilitating destruction among the lives of users, causing awful damage that emerges later, in ruinously subtle ways, or suddenly killing without warning, by way of cardiac problems or strokes.

> People use them, the results can be frightening and permanent, and a few years later, deadly.

This is exaggerated. There is an increased risk of cardiovascular disease, and maybe irritability at high doses. Closer to the risks of taking a medication than a street drug.