It is used as an aphrodisiac, but Indian monks take it to repress physical desires. Caribbean laborers use it by day as an "energizer," but by night as a sedative. Marijuana is a paradox.
It has been around since at least the 15th century B.C., when it was used in China as an anesthetic, a ritual potion, a condiment and an intoxicant. As it moved on to India and beyond, it was applied to all manner of miseries: allergies, rheumatism, falling hair, tapeworm, leprosy, gonorrhea, failing memory and dandruff. Today marijuana is being considered as a treatment to reduce eyeball pressure in...