Tuberculosis is a disease that most commonly affects lungs. It is infectious and can be <em>spread through air</em>, if one inhales the infected air.
Its symptoms are <u>coughing and bloody sputum as well as weight loss</u>. Smokers also have increased chances of being affected by tuberculosis. The disease can also spread onto other organs of the human body.
There is a type of tuberculosis that shows no symptoms and it is called latent tuberculosis.
