Question

Which one of the following is not a cause of asthma?

• A. Respiratory infections
• B. Digestive infections
• C. Cold and cough
• D. Contact with air born allergens

Answer 1

The correct option is B

Digestive infections

Asthma is a long-term lung disease in which the air passages in the lungs swell and narrow down.

Some of the causes of asthma are:

1. Certain respiratory infections such as common cold.

2. Contact with airborne allergens such as tobacco smoke, pollen grains, chemicals, dust, mites or some food substances.

3. Environmental pollution: chemicals from power plants, smoke from factories and vehicles etc. can make asthma symptoms worse and play a role in causing asthma.