They are all quite clearly crackers.
I take (as of recently) anti-depressants, but I haven't told my 17 year old. If she sees them in the cupboard and asks, I won't be ashamed to explain, but I hardly think its necessary to hold prozac parties, or read specialised crank books to her, even if she were younger.
It's either medicinal, or a hippy lifestyle choice: choose, and act accordingly.