Genes + luck: You can't predict what will happen to a person with a risk like smoking, but we know there's no safe level of smoking. The chance of heart attacks, cancer and chronic problems increases the earlier you start, the longer you smoke, the more you smoke. Combining tobacco and alcohol causes mouth cancer. Info at http://betobaccofree.Hhs.Gov/health-effects/index.Html.
Answered 4/27/2013
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3 doctors weighed in across 2 answers
3 doctors weighed in across 2 answers
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A doctor has provided 1 answer
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