Happy High Herbs is an Australian party drug store that sells 'alternative' drugs and claims them all the be safe. Somewhere society got the idea that if a drug is legal than it must be safe. In reality it's more that if a drug isn't popularly used for fun and doesn't have a medical use it's illegal.
Why is morphine in a hospital accepted and safe, but morphine/heroin outside not? Can't someone become addicted to morphine in the hospital? (yes)
Lets look at some drugs and see if the legal ones are really safe.