While the exact reason for asthma is still not clear, studies suggest that it is caused due to sudden change in environment and heredity. The National Institutes of Health (NIH) suggests that researchers are unable to figure out the mechanism that causes different symptoms in different people.
A study has shown that pollen, animal fur, spores, insect waste or skin, dried saliva and other airborne particles can induce an asthma attack immediately.
The Centers for Disease Control (CDC) suggests that if you are diagnosed with asthma, you must be cautious if your workplace is near chemical fumes, gas or dust as a sudden exposure can make it difficult for you to breathe.
Besides this, researchers also believe that asthma may have an underlying genetic cause as it can be inherited from parent to child. Some studies have shown that if a mother or father has asthma, their children are more likely to have asthma too.
As per the World Health Organization (WHO), 50 per cent of asthma cases are hereditary and rest 50 per cent are due to environmental factors.
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