It seems to be a chiefly European thing to put tobacco in joints. I don't know why they put that nasty stuff in with their ganja but they seem to enjoy it. Anyhow, around here we get along just fine just putting weed in. Unlike those who prefer to mix would tell you, it doesn't have any trouble burning if you don't screw it up, and it's a lot healthier too! And if they try to tell you it's cheaper to smoke it with tobacco mixed in, they're lying. They have to pay for the extra tobacco to get just as high as you would with a smaller joint filled with just weed.