Chernobyl Heart is a 2003 documentary film by Maryann DeLeo. The film won the Best Documentary Short Subject award at The 76th Academy Awards. In the film, DeLeo travels through Ukraine and Belarus with Adi Roche, the Irish founder of the Chernobyl Children's Project International, observing the effects of the Chernobyl nuclear disaster on the health of children in the area. Many children developed a previously unknown cardiac degradation condition known in the area as "Chernobyl heart", in addition to other severe radiation poisoning effects. DeLeo explored the Chernobyl disaster again in 2008 with the film White Horse.

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