cigarette, cigar, or pipe, and the smoke exhaled by the smoker.
The smoke from burning tobacco contains more harmful substances than inhaled smoke. This means people who are around smokers might have a higher risk of smoking-related disorders.
Secondhand smoke is a serious health hazard that causes more than 41,000 deaths per year. Secondhand exposure to smoke, leads to disease and disability and harms nearly every organ system of the body. It is the leading cause of preventable death.
Smoke contains more than 7,000 chemical compounds, of which 250 are toxic and more than 70 are known cancer-causing agents. Secondhand smoke contains arsenic, lead, formaldehyde, benzene, and polonium-210, which are all carcinogens. These dangerous substances linger in the air for approximately 4 hours and breathing in these particles for only minutes can harm you.
There is no risk-free level of secondhand smoke. Unfortunately, even brief exposure can