There are no reliable statistics on the number of people who have lost the ability to speak their native language. But it is likely a growing number, given the rise in global migration and the disappearance of many minority languages. But once you’ve lost your first language, is relearning it a realistic goal? Patrick Cox brought us the story of a woman who learned Czech growing up, moved to Canada, lost her ability to use the language but then decided to re-learn Czech as an adult. 

This story originally aired in 2022.