Comparing casual use of alcohol, like drinking wine with a meal, compared with smoking today's marijuana, is like comparing an Olympic dive pool with a home or hotel pool. In the home/hotel pool a small child could play on the steps, a non-swimmer can stand in the shallow end, and a swimmier can swim across the deep end. In an Olympic diving pool, you only have a deep end 17 foot deep, you either swim, or don't jump in. With marijuana you either get wasted out of your mind or you do not smoke it.