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Blood Test Can Help With Quitting Smoking

Flickr user Tela Chhe / "Smoking Hand" (CC BY 2.0)

A blood test could help smokers when choosing a strategy for quitting.

That’s according to research in the Lancet journal.

How quickly a person breaks down nicotine could provide insight for successful treatment. About 60 percent of people who try to give up, start smoking again in the first week.