SAN FRANCISCO (KGO) -- Radioactive particles from the Fukushima Nuclear disaster are being found in local wines, according to a new study.
French researchers detected trace amounts of cesium-137 a radioactive isotope, in 18 bottles of wine from Napa, the San Francisco Chronicle reported.
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The wineries that produced the wines weren't named.
The researchers believe the particles came from Japan's Fukushima Daiichi Nuclear Power Plant, which leaked radiation after it was damaged by a 2011 earthquake and tsunami.
Ingesting cesium-137 can result in an elevated risk for cancer, but the researchers said the levels in the wines tested don't pose a health hazard.
Traces of Fukushima disaster found in Napa wines, but not at hazardous levels