Toxic metals, like lead and mercury, cause brain damage, heart problems and kidney dysfunction. Abundant in daily life, the threat is real, but the news is good: Mercury can be manufactured out of our favorite nutrient-rich fish.

Recent research shows how mercury destroys the heart. That’s not surprising considering it’s “the most dangerous of all the heavy metals.” How can you reduce your exposure? Just as important, what about the mercury already in your body? This might sound fishy, but…