What is one of the main habits many people that cause a variety problems in respiratory system?

Smoking

Smoking is one of the main habits many people that cause a variety of problems in the respiratory system. Cigarettes contain over 4,000 chemicals, many of which are known carcinogens. These chemicals can damage the lungs and lead to a number of respiratory problems, including:

* Chronic bronchitis

* Emphysema

* Lung cancer

* Asthma

* Pneumonia

* Tuberculosis

In addition to these respiratory problems, smoking can also cause other health problems, such as:

* Heart disease

* Stroke

* Cancer of the mouth, throat, and esophagus

* Peptic ulcer disease

* Cataracts

* Macular degeneration

* Erectile dysfunction

Smoking is a serious health hazard and can lead to a number of problems, both respiratory and otherwise. If you smoke, it is important to quit as soon as possible.