Thinking About Health: E-cigarettes may be leading to lung disease Epidemic

Are e-cigarettes becoming the next public health hazard?

Increasingly, health officials seem to think so, and in early September the Centers for Disease Control and Prevention suggested that Americans stop vaping until health officials know more about an epidemic of lung disease that has made some 450 people sick and caused three deaths. A study just published found that more than 80% of the patients said they used THC, the psychoactive ingredient of marijuana, but more than half also used nicotine, the culprit in conventional cigarettes.

Although no one device, product or substance has been l...