In all seriousness though LSD can have long-lasting effects on your personality. Also, while it seems possible you could develop a serious mental disorder from LSD, it seems unlikely; but I base that on my first-hand experience with it.
The issue is with genetic predispositions. Those who have a family history of psychosis are at risk. The mental health risk posed by psychedelics to people without such predispositions is extremely small.
In all seriousness though LSD can have long-lasting effects on your personality. Also, while it seems possible you could develop a serious mental disorder from LSD, it seems unlikely; but I base that on my first-hand experience with it.