Question by Cowboy_Man: What are the three conditions that must be present to make the causal inference that smoking marijuana leads t?
Marijuana is often considered a “gateway” drug for more serious drug abuse (this idea is also called the “stepping stone” hypothesis).

Best answer:

Answer by Star
It is true what the pro-campaigners say about marijuana. There is no annual recorded death rate. There is no such thing as a marijuana hangover or comedown period. There is obviously little chance of you waking up in a derelict drug-den with hypodermic needles strewn about the floor or in a paralytic stupor on a park bench. But those facts are only half of the story. It is addictive and it still has the power to ruin your life.    Read more...