1972 Marijuana News Today : Breaking News, Live Updates & Top Stories | Vimarsana

To other drugs, 47% said yes, that's down from 1972. marijuana has been called a gateway drug by those who oppose legalizing it. it's hotly debated by experts. what about the issue of addiction. is it addictive? gary tuchman reports. >> reporter: denver native brian doyle used to dread being without marijuana. if he didn't smoke a joint, he wouldn't be able to fall asleep. if he didn't smoke a joint, he would have no appetite. was it more important than food to you? >> yes. >> reporter: was it more important than most things? >> yes. >> reporter: weed took over the 27-year-old's life. he had o...

Decision to legalize marijuana. we ran a poll to see how attitudes have shifted. they have shifted a lot in this country. when asked if marijuana is physically addictive, half said yes down from 60% in 1972. when asked if marijuana leads to other drugs, 47% said yes. that's an even bigger drop down from 76% in 1972. marijuana has long been called the gateway drug by those who oppose legalizing it. it's a point that's hotly debated among experts. but even if pot doesn't lead to other drugs, what about the issue of addiction? is it addictive? gary tuchman reports. >> reporter: denver native bria...