How does smoking affect respiratory health?

Smoking significantly contributes to respiratory problems for several reasons. The inhalation of smoke introduces harmful substances, including tar, nicotine, and various chemicals, into the lungs. This can lead to chronic conditions such as chronic obstructive pulmonary disease (COPD), emphysema, and chronic bronchitis.

The toxic particles from cigarette smoke damage the lung tissue and airways, leading to inflammation and reduced lung function. Over time, this can cause a decline in the overall efficiency of the respiratory system, making it more difficult for the body to oxygenate blood and remove carbon dioxide. Additionally, smoking reduces the effectiveness of the body's natural defenses against infections in the respiratory system, increasing vulnerability to illnesses such as pneumonia and bronchitis.

Hence, the impact of smoking on respiratory health is predominantly negative, making it a leading cause of both acute and chronic respiratory problems.