Chung's wife found him dead in the living room of their home in Hwaseong, some 70 kilometres south of Seoul, at 8.12 a.m. on Friday, according to local police, reports Yonhap news agency.
Police said Chung was diagnosed with arrhythmia after a checkup three years ago, and his family said Chung had complained of occasional chest pains, especially when he was under stress.
Police said the exact cause of Chung's death has not yet been determined and they will ask the National Forensic Service to conduct an autopsy.
Chung teamed up with Lee Yong-dae to win bronze in the men's doubles at the 2012 London Olympics. The duo reached No. 1 in the world rankings in 2009.
(This story has not been edited by Social News XYZ staff and is auto-generated from a syndicated feed.)
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