I understand what you mean about your son, the good thing about these is they only last a few hours - so if I take them for college a few hours before I should be fine, they seem really safe.
Yeah it's because a few people died taking a legal high, but they didn't know for sure that it was that - but they banned it anyway.
That's the effects -
Typically you will experience:- giggling at things that aren't funny
- colours appear brighter
- tracers and visual distortions are common
- euphoria
Euphria has to be a good thing