Second hand smoke is not only bad for lungs and heart but it affects the mental health too.
To find out the link between secondhand smoke and mental health, researchers studied 5,560 non-smokers and 2,595 smoking adults from Scotland. None of the participants had any history of mental illness. The participants were tracked for six years. Exposure to secondhand smoke among non-smokers was determined using saliva levels of cotinine and is an established marker of nicotine exposure.
A total of 14.5 percent of participants reported distressed mental health. It was found that the higher a person’s secondhand smoke exposure, the greater their risk of mental health distress. While the risk was highest for people who were themselves smokers. People with high exposure to secondhand smoke who didn’t actually smoke themselves were 62 percent more likely to report mental health distress than those unexposed to secondhand smoke, while the risk for smokers was almost three times higher. (more…)