Substance in crude oil harms fish hearts, could affect humans as well.

Experiments provide direct evidence of how phenanthrene causes irregular heartbeat and weaker contractions of heart cells.Urban air pollution, laden with PAHs, has been implicated in cardiac distress. The current study points the finger at phenanthrene, which could enter the bloodstream through respiratory pathways such as breathing.The researchers also suggest that atmospheric phenanthrene deserves more attention for the possible impact it could have on the cardiovascular health of people. Better understanding of the connection between phenanthrene and human health could potentially lead to insights regarding which aspects of fossil-fuel bur

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