A cigarette first thing in the morning may light up the risk of lung and head and neck cancers, according to a new study.
Smokers who lit up within half an hour of waking up were at a 59 percent higher head and neck cancer risk and 79 percent elevated lung cancer risk compared with those who waited at least an hour, Joshua E. Muscat of Penn State College of Medicine in Hershey, Penn., and colleagues found.
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