Individuals who regularly eat fish should test blood levels of mercury, cadmium, lead, and arsenic.

“if you are including a lot of fish in your diet be careful check your heavy metals check your lead check your arsenic check your cadmium check your mercury you can check blood levels of these things it's super easy you don't need to do a provoked test although they are stored in bones and a provoked test may be a more accurate measure or it may give you another data point you can just get a blood level of lead cadmium arsenic mercury and get a sense of how heavy metal toxic you are”

“I think that if people want to eat fish just make sure that you're honest with yourself and test your heavy metals”