IS ASTHMA GENTIC? CAUSES AND RISK FACTORS
Some people may find that exercise triggers asthma symptoms.
Both genetics and environment play a role in the development of asthma, but scientists still do not know the exact causes. That said, they have identified a number of triggers for asthma symptoms.
Asthma triggers can vary from person to person and may include:
- respiratory infections, including the cold or flu
- irritants in the air
- air pollution
- tobacco smoke
- cold air
- medications, including beta-blockers and nonsteroidal anti-inflammatory drugs
- food and drink preservatives
- allergens, including dust, dander, and pollen
- acid reflux