European research has found that frequent use of household cleaning sprays may be a risk factor for adult asthma, according to the Irish Medical News.

The study monitored about 3,500 people who were initially free of asthma, and found that 42 percent of participants experienced asthma symptoms or medication after the use of common cleaning sprays at least once a week. When use of aerosol products, including glass cleaners, furniture cleaners and air fresheners, increased to four or more times a week, the link between the cleaners and asthma became stronger.

Non-aerosol products did not demonstrate a connection with asthma.

The study was the first to investigate the affects of cleaning products in a domestic cleaning setting, authors claim. The participants were monitored by the European Community Respiratory Health Survey, and other research teams were involved as well.

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