The International conservation Group Oceana has issued a report that they found high levels of mercury in tuna across the United States.

The U.S. Food and Drug Administration (FDA) is think about filing a lawsuit that would take tuna sushi off the market in response to concerns about laboratory tests conducted from New York Times article.

Researchers found high level of mercury in raw tuna sushi that a regular diet of just 6 pieces a week could pose a health danger and exceed the levels considered acceptable by the Environmental Protection Agency (EPA).