When did Horizon Season 21 Episode 14 air?
Horizon Season 21 Episode 14 aired on April 30, 1984.


Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.
Horizon reports on new medical techniques to diagnose the inherited diseases; sickle cell anaemia and cystic fibrosis.
Direct answers for episode-level questions and details.
Horizon Season 21 Episode 14 aired on April 30, 1984.
This episode runs for approximately 60 minutes.
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