Study finds unsafe mercury levels in 84 percent of all fish

A new study from the Biodiversity Research Institute in Maine found that 84 percent of fish have unsafe levels of mercury. That poses a health risk for humans, exceeding the guidelines for eating certain kinds of fish more than once a month.

Reducing mercury pollution is on the agenda of the United Nations conference this week in Geneva, where delegations are expected to put the finishing touches on a treaty backed by the United States.

http://www.cbsnews.com/8301-18563_162-57563739/study-finds-unsafe-mercury-levels-in-84-percent-of-all-fish/