The most common long term disease in both children and adults in asthma.
About 5% of adults and 7-10% of children have asthma with many new people finding out they have asthma each year.
In Canada, occupational asthma is considered the most common occupational lung diseases.
It is also one of the most common diseases that goes through the Workers Safety and Insurance Board.
There are over 300 chemicals in the workplace that are known to cause occupational asthma.
Because this list is still growing it is important to find the causes of work related asthma so that it can be controlled and prevented.