One smoker increases health risk to nonsmokers

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Many factors cause cancer. From manmade chemicals to environmental exposure, secondhand smoke contributes to health problems that affect the respiratory system, cardiac function and cancers.

Secondhand smoke is the most common cause of tobacco intake. While there are devices that can test for indoor chemicals and smoke, there are nearly no safety measures when encountering smoke outdoors. Because smoke can be anywhere at any time, even breathing in a little bit can be harmful. Continue reading