So Peter, for those of us who've never heard of it before, can you explain what pulmonary fibrosis is and how it affects the lungs?

Basically, pulmonary fibrosis is a progressive lung disease that has no cure.

Over 6,000 die from it each year in this country.

Basically, the lungs are full of air sacs called alveoli, and this fibrosis attacks the alveoli in your lungs and destroys them, and it progressively goes through your lungs.

You are basically suffocating to death.

over a period of time.

It's not quick, when it can be, but usually it's not as quick as suffocation or drowning or something.

lot of