A growing number of teens are smoking marijuana, and find nothing harmful about it.
That's according to a new survey released by the National Institute on Drug Abuse.
It finds that overall, alcohol and tobacco use are down, that's good, but for some reason, marijuana smoking is up, with a 6% increase in the number of high school seniors who say they smoke it every day, compared to the same survey a decade ago.
And perhaps even more concerning, more than half the seniors surveyed, said they didn't think marijuana was harmful.
"I think that this reflects changes in attitudes and norms that are brought about by the medical legalization of marijuana that leads kids, just like it has led many others to think that if a drug has medical properties, or potentially medical properties, if it's given by physicians, it cannot be so harmful," says Dr. Nora Yolkow, director of the National Institute on Drug Abuse.
A study by the Partnership for a drug free America says smoking a single marijuana joint is the same as smoking 2 and a half to 5 cigarettes in terms of damage to the lungs, largely due to the differences in how it is inhaled.
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