Advisers manning the “Frank” helpline are informing callers they believed to be children as young as 13 that alcohol is a “much more powerful drug than cannabis” and that using the illegal drug recreationally is not harmful because it “doesn’t get you that high”. Callers are also being told that taking ecstasy will not lead to long-term damage and that if they are in doubt, to “just take half a pill and if you are handling that OK, you can take the other half.” The advice, given to reporters who rang the helpline posing as young people, has alarmed anti-drugs...