What Is It to Breathe?

Usually people don't think about how they breathe. But try to hold your breath for five seconds. Ten. Fifteen. Is it hard? And how do those who have to fight for every breath live? The film tells about the life of people with the most common rare genetic disease of cystic fibrosis. About 3,500 people with this diagnosis live in Russia. Only a quarter of them will live to be 18 years old.

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