Add Yahoo as a preferred source to see more of our stories on Google. Fish and chips on a plate with ketchup - Chase D'animulls/Shutterstock No, Mercury isn't just that silver stuff in old-timey ...

Fatty fish rich in omega-3 fatty acids, like salmon and anchovies, are most beneficial to heart health. But you may want to limit or avoid fish high in mercury. Experts often recommend fish as a heart ...

After a viral post raised questions, dietitians say mercury exposure depends not just on how much fish you eat, but how often you eat it. Regularly eating large amounts of high-mercury fish like tuna ...