Tulsi has anti-microbial and anti-inflammatory properties, and is useful in respiratory tract infections like dry or wet cough, cold and sore throat. 
Tulsi has been found to protect organs and tissues against chemical stress from industrial pollutants and heavy metals, and physical stress from prolonged physical exertion, ischemia, physical restraint and exposure to cold and excessive noise
Research-Backed Benefits of Tulsi are:
1. Natural Immunity Booster:
2. Reduces Fever (antipyretic) & Pain(analgesic):
3. Reduces Cold, Cough & Other Respiratory Disorders:
4. Reduces Stress & Blood Pressure:
5. Anti-cancer Properties:
6. Good for Heart Health:
7. Good for Diabetes Patients:
8. Useful in Kidney Stones & Gouty Arthritis:
9. Useful in Gastrointestinal Disorders:
10. Good for Skin & Hair:
11. Acts as an Insect Repellent:
12. Insect Bites & Blood Purification:
13. Oral and Dental Health:
14. Treatment of Eczema:
15. Reduces Stress & Fatigue:
16. Tulsi for Infections:
17. Tulsi for Fever and the Common Cold:
18. Tulsi for Respiratory Problems:
19. Tulsi for Diabetes:
20. Tulsi for Kidneys:
21. Tulsi for Heart Diseases:
22. Tulsi for Skin:
23. Tulsi for Hair:
24. Tulsi for Weight Loss:
25. Tulsi for Eyes:
26. Tulsi Prevents Premature Ageing: