Which of the following compounds has been shown to increase the risk of cancer when used in combination with smoking?

Question

Quizplus · Accepted Answer

Tobacco use and alcohol use are known etiologic factors in head and neck cancers.
It is alcohol,not steroids,and tobacco that have been identified as etiologic factors in cancer.
It is alcohol,not antihistamines,and tobacco that have been identified as etiologic factors in cancer.
It is alcohol,not hypnotics,and tobacco that have been identified as etiologic factors in cancer.

Which of the Following Compounds Has Been Shown to Increase