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BP Deepwater Horizon spill oil causes heart damage that can kill tuna, new study finds

February 13, 2014

Crude oil from the BP Deepwater Horizon spill contains a chemical that interferes with fish heart cells, slowing heart rates, reducing the ability of the heart to contract and causing irregular heartbeats that can lead to heart attacks or death, according to new research released Thursday by researchers at Stanford University and the National Oceanic and Atmospheric Administration.