Quit smoking completely
Avoid secondhand smoke
Avoid vaping and other inhaled irritants
Stay hydrated
Exercise regularly
Do breathing exercises
Practice deep breathing and controlled coughing
Use steam or humidified air if it helps you breathe more comfortably
Eat a balanced diet rich in fruits and vegetables
Limit alcohol and avoid recreational drugs
Get enough sleep
Keep indoor air clean and well ventilated
Reduce exposure to dust, fumes, and pollution
Consider pulmonary rehabilitation if recommended by a doctor
See a doctor for persistent cough, shortness of breath, wheezing, chest pain, or coughing up blood
Get regular checkups and lung screening if you qualify