[MargaretR]

If people are foolish enough to dose themselves with such junk medicine, I suggest we warn them of the consequences - that doesn't seem to happen, even when it is medically prescribed.
I hope that your forthcoming 'drive against obesity' will not include it, but I suspect it will.
Many years ago I took Zyban to try to quit smoking and had itchy lumps all over my body.
Prescription drugs are a life saver for a few, but a health hazard to many.