Pulmonary fibrosis is a scarring or thickening of the lungs that causes shortness of breath, a dry cough, fatigue, chest discomfort, weight loss, a decrease in the ability of the lungs to transmit oxygen to the blood stream, and, eventually, heart failure. Cells known as myofibroblasts normally secrete materials that are required for wound healing; once the wound has closed, the cells disappear. In pulmonary fibrosis, the myofibroblasts stick around, continuing to secrete wound healing factors that cause fibrosis in the lungs...
via Health News from Medical News Today Read More Here..
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