A new study has found that mercury from eating fish does not raise the risk of heart disease or stroke.
Past research on the topic has yielded contradictory results.
The latest government-funded work analysed mercury levels in tens of thousands of toenail clippings. They're considered a good gauge of long-term
Toenail study: No heart risk from mercury in fish
Research now suggests mercury from the consumption of fish, such as swordfish, does not raise the risk of heart disease or stroke. Photo / Thinkstock
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