Marijuana: Should it be legalized in Canada?

I think marijuana should be decriminalized. Marijuana is thought as other drug using such as cocaine and heroin. However, does marijuana really affect badly for people as other drugs? Is marijuana addictive as other drugs? Marijuana does not seem to be very harmful for oneself who use it or other people beside the user cigarettes seem to be more addictive and also alcohol does. Of course, marijuana can affect user¡¯s health a little bit. How...