What was it? I’d never heard or read about this illness.
Later, I found this description from the Cleveland Clinic’s website:
In IPF, lung tissue becomes scarred and changes the lung’s ability to function normally. The scarring typically starts at the edges of the lungs and advances towards the center of the lungs. Typically, mild scarring occurs first, but over months to years, the normal lung tissue is replaced by more heavily scarred lung tissue, which makes it difficult to breathe and deliver needed oxygen to the body. Unfortunately, IPF is a disabling disease without a known cure and with few treatment options. The cause of IPF is unknown . . . [Italics added by me.]
After reading, I took a deep breath.
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