Cannabis: One reader agrees with last week's article that cannabis is an effect, and not a cause of social problems, but prolonged use will cause its own problems, and so it is better to seek out and treat the original problem. . .
Warts revisited: your responses still come in, but one gentleman was particularly animated because we did not include his therapy. His simple solution is iodine, which should be applied after first pricking the wart with a sterilized needle so that a small amount of blood appears, and then soak the area in iodine.