Breathing second-hand smoke increases health risks

Breathing in second-hand smoke increases a child’s or an adult’s risk of lung cancer by 24% and heart disease by 25%.

Source: Secondhand smoke @ NHS Smokefree

Image by Challiyil Eswaramangalath Vipin from Chalakudy, India (cigarette.. like a cigarette in the rain) [CC-BY-SA-2.0], via Wikimedia Commons