Previous research has found that people who use cleaning products as part of their jobs suffer increased rates of asthma.
The new study, published in the American Journal of Respiratory and Critical Care Medicine, is the first to investigate the effects of occasional use of cleaning products at home.
They were assessed for current asthma and wheezing symptoms, and also questioned about cleaning product use.
Two-thirds of those who reported doing the bulk of the household cleaning were women. Of these, 6 per cent had asthma when they were followed up nine years later.
Those regularly exposed to the sprays and polishes were between 30 and 50 per cent more at risk from asthma.
But even using the products as little as once a week increased the risk of asthma developing.
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