Living with a smoker is equivalent to living in a heavily polluted city, say researchers

Non-smokers who live with smokers are typically exposed to three times the recommended level of fine particulate matter, new research has found.

A study published in Tobacco Control1 found that particulate matter concentrations in smoking households were on average 10 times higher than those found in non-smoking homes.

The researchers included data from four linked studies carried out in Scotland from 2009 to 2013 involving real …