Vaping was marketed as an avenue to quit smoking cigarettes. But some smokers are now just doing both, CDC study finds.

Vaping was marketed as an avenue to quit smoking cigarettes. But some smokers are now just doing both, CDC study finds.

The CDC is warning of negative health effects for people who smoke both vapes and cigarettes.danchooalex/Getty Images <ul> <li>A new CDC study found that some people have taken to smoking both cigar… [+2004 chars]

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