A genetic link has been identified that makes people more likely to become addicted to tobacco,makes it harder to quit using,and increases the risk of lung cancer.

Question

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Research has found that there are genetic variations that increase a person's risk of becoming addicted to tobacco, make it more difficult to quit using, and increase the risk of lung cancer. These variations are more common in individuals with a family history of addiction or lung cancer.

A Genetic Link Has Been Identified That Makes People More