Second-hand smoking (passive smoking)

In adults

People who live with a smoker have a 30% increased risk of heart attack and a 20-30% increased risk of lung cancer. Passive smoking also causes and aggravates asthma, COPD, respiratory infections, eye/nose irritation and reproductive problems in women.




In children

Children are more susceptible to secondhand smoke than adults and are prone to middle ear infections, respiratory infections (croup, bronchitis, bronchiolitis, pneumonia) and SIDS (sudden infant death syndrome). Passive smoking can also cause and aggravate asthma in children.


Click here for the 10 myths about passive smoking and children.

Passive smoking is also harmful to your pets. Click here for more.

What is third-hand smoke? To find out click here.


Reports of the Surgeon General. U.S. Department of Health and Human Services. 2004, 2006, 2010



Last Modified: 31-05-2017