In fact it is addictive. The only ones who say it isn’t are those who use it all the time. It also leads to heavier drug use in many cases.
Lol, a FR thread about drug use is as absurdly entertaining as a FR thread about guns. A lot of people with almost no experience throwing around crap they really don’t understand.
Lifetime use of marijuana is 44% but past month use of illicit drugs other than marijuana is only 3.3% - pretty narrow "gateway". (http://www.samhsa.gov/data/sites/default/files/NSDUH-DetTabsPDFWHTML2013/Web/HTML/NSDUH-DetTabsSect1peTabs1to46-2013.htm#tab1.1b)