Increased risk of developing asthma
The exact cause of asthma is unknown however there are some criteria which mean that a person may be at increased risk of developing asthma:
| Asthma: increased risks | |
|---|---|
 |
Genetics/family history of asthma |
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Some allergies can trigger asthma |
 |
Infections – such as repeated upper respiratory tract infections |
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Tobacco smoke – including second hand smoke |
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Certain occupations, dusty environments or the use of chemicals |
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Poor housing, damp or mould |
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Environmental factors – such as car exhaust pollution |
