The picture on the left shows the tiny air sacs or Alveoli in a healthy lung and how the Oxygen and Carbon Dioxide are exchanged with the bloodstream. The dark gray circle around the “Air” is scar tissue that develops in people with Pulmonary Fibrosis and prevents or slows this exchange of gases.
The picture on the right shows a comparison of healthy and damaged lungs.
As more scar tissue develops the harder it is to breath and every day tasks are more difficult to perform because of a lack of oxygen for your muscles and organs and cells. You will eventually need more and more supplemental oxygen until that is not enough and you go into organ failure and heart failure.
If you are fortunate enough to qualify you may get a lung transplant to prolong your life.
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