Cystic Fibrosis Foundation on Instagram: "On this day in 1989, a team of Foundation-supported scientists announced the discovery of the cystic fibrosis gene — opening the door to understanding CF at its most basic level. In the video, Francis Collins, MD, PhD, shares his reflections on the milestone. “You can consider what has been accomplished here in an analogy of climbing a mountain, and this is a mountain that nobody has ever climbed before. And the top of the mountain is called having a tre