Popular questions...


How common is cystic fibrosis?

Millions of people are healthy carriers of the mutated CFTR gene, but only about 70,000 people worldwide have cystic fibrosis. It is most common in people of northern European descent.

FAQ Frequently asked questions

Related topics

About this article

Author: Dr Joanne Van der Velden PhD, BSc (Hons)
First answered: 18 Sep 2014
Last reviewed: 19 May 2018
Rating: 4.8 out of 5
Votes: 839 (Click smiley face below to rate)
Category: Bronchitis


Content goes in here.