http://www.cancer.gov/cancertopics/factsheet/Tobacco/ETS
In my opinion most people who smoke have the mindset that they should be left alone, that they aren't hurting anyone except for themselves.If only this was the case if you'll follow this link it really has some great information about second hand smoking. The article has basic facts such as what is second hand smoke? to questions that maybe you've never thought of such as is there a safe level of second hand smoke?
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