ANATOMY

Detailed explanation-1: -Smoking harms the immune system and can make the body less successful at fighting disease. The immune system is the body’s way of protecting itself from infection and disease; it works to fight everything from cold and flu viruses to serious conditions such as cancer.

Detailed explanation-2: -Many of the chemical compounds found in cigarette smoke can interfere with the immune system, causing it to work less effectively in the body’s fight against disease and infection and giving both the opportunity to progress further than it may have in a body with a healthy immune system.

Detailed explanation-3: -Smoking causes cancer, heart disease, stroke, lung diseases, diabetes, and chronic obstructive pulmonary disease (COPD), which includes emphysema and chronic bronchitis.

Detailed explanation-4: -The lungs begin healing right away after quitting smoking, which is why quitting sooner than later can lead to better overall health. Quitting smoking is one of the smartest things you can do to improve your overall health. Your lungs start healing immediately the moment you stop smoking.

Detailed explanation-5: -The data showed that current smokers had an increased risk of respiratory viral infection and illness, with no significant difference across the types of viruses.