How to have healthy lungs ?

1. Don’t smoke and avoid secondhand smoke.
2. Avoid Exposure to Indoor Pollutants.
3. Minimize Exposure to Outdoor Air pollution.
4. Prevent infections.
5. Get regular Healthcare.
6. Exercise.
7. Diaphragmatic breathing.
8. Simple deep breathing.
9. "Counting" your breaths.
10. Watching your posture.
11. Staying hydrated.
12. Laughing.
13. Staying active.
14. Clean Your Carpets.
15. Clean Your Humidifier.
16. Dental health and oral hygiene.
17. Mop with a microfiber mop
18. Get house plants, which help purify the air
19. Steam Therapy
20. Controlled coughing
21. Drain mucus from the lungs
22. Green tea
23. Anti-inflammatory foods
24. Chest percussion

Sources :

https://www.rush.edu/health-wellness/discover-health/8-tips-healthy-lungs
https://www.lung.org/lung-health-and-diseases/protecting-your-lungs/
https://www.webmd.com/lung/ss/slideshow-ways-to-keep-lungs-healthy
https://www.medicalnewstoday.com/articles/324483
https://www.adventhealth.com/blog/10-easy-ways-keep-your-lungs-healthy
https://www.slma.cc/tips-healthy-lungs/