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Dr Ludmil Alexandrov, first author from Los Alamos National Laboratory, said: Before now, we had a large body of epidemiological evidence linking smoking with cancer, but now we can actually observe and quantify the molecular changes in the DNA due to cigarette smoking

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But here comes this new technology, this new device, the Juul, that kids seem to love

The tar can also stain your tongue and cause halitosis (bad breath)

Smoking-induced oxidative DNA damage, chronic inflammation, and impaired immunity combine to promote lung carcinogenesis (Stefaniak et al