Researchers have found that deterioration in lung function of women working as cleaners or regularly using cleaning products was the same as smoking 20 cigarettes a day over 10 to 20 years. The study was published in the American Thoracic Society’s American Journal of Respiratory and Critical Care Medicine, the study examined data from more than 6,200 participants, analysing their health over a period of 20 years. It is suspected that inhaling cleaning chemicals causes irrita