It's possible I guess. I'm not sure that risk is limited to just the young.

As Fuzzy mentioned there is the side effect of weight gain that affect many too.

The dosage on anti-d usually starts out low and gradually built up over time. So the pdoc is aware that minimum dosage is not going to have a possitive effect.

If in that same "time" you also gain 20+ lbs. The person's personal perception of themself in probably in the toilet by that time.

IMO there is a good reason there is a increase risk of suicide.