Certain mind-altering plants, spells, compounds, or phenomenon are indeed bad for the underlying health concerns, or for the possible repercussion of acting day to day with your mind inebriated. Used in moderation and responsibly there are a great many helpful or benign uses for nearly anything of the sort. Giggle grass, for example, is sometimes used as an alternative to anesthesia for stressful visits, such as to a dentist.