On the Hunt for "Killer" Mushrooms.

The article discusses the research of biologist Jianping Xu of McMaster University in Hamilton, Ontario, on the potential lethal aspects of the barium content in the wild edible mushroom Trogia venenata, native to the Yunnan province in China. Topics include investigations into sudden unexplained deaths (SUDs) in Yunnan, the role of fungi exports in Yunnan's economy, and Jianping's conclusion that there are not lethal levels of barium in the mushroom Trogia venenata.