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Occupational asthma is a very real illness and can take months or years to manifest.
Breaking mouldy bottles for recycling may be linked to a high number of health complaints by liquor store employees, says a University of B.C. occupational health study. A study commissioned by U.S. tobacco giant Philip Morris that highlighted the financial benefits to governments of smokers' early deaths has been condemned as unethical by anti-tobacco campaigners. A greater number of very hot days due to climate change will increase air pollution problems in Canada's big cities, with children at special risk, says a report by the Canadian Institute of Child Health. Read previous health columns . Proper use of a meter dose inhaler can prevent or relieve the symptoms of asthma, watch this demonstration.