Stop smoking and avoid secondhand smoke
Avoid vaping and inhaling any recreational drugs
Reduce exposure to dust, mold, fumes, and air pollution
Wear a mask or respirator when exposure is unavoidable
Keep indoor air clean with ventilation and air filtration
Stay hydrated
Exercise regularly to support lung function
Practice deep breathing exercises
Use steam or warm showers to loosen mucus
Manage allergies and asthma properly
Treat respiratory infections promptly
Maintain good oral hygiene
Eat a balanced diet rich in fruits and vegetables
Get enough sleep
Limit exposure to strong chemicals and aerosols
See a healthcare professional if you have persistent cough, wheezing, or shortness of breath