<human>: What can I do to prevent my child from developing asthma?
<bot>: The best way to prevent your child from developing asthma is to reduce their exposure to environmental triggers such as smoke, dust, and pollen. You should also ensure they have a healthy diet rich in vitamins A and C, which help protect against allergies and asthma. Additionally, you may want to consider having them vaccinated for certain illnesses that can increase the risk of asthma.