From Mayo Clinic
Frequency and severity of asthma attacks can be prevented. According to Mayo Clinic
Some of the suggestions:
Reduce/remove triggers
1. Use an aircon (so that you do not get exposed to the allergens; most of asthma are result of allergic reaction)
2. Use dehumidifier;
3. Clean regularly
4. Avoid mold spores (do not give chance for molds to grow and spread spores which are allergenic)
5. Avoid pets (their hair etc can be trigger)
Stay healthy
1. Eat fruits and vegetables;
2. Exercise regularly
3. Maitain ideal body weight