Tuna has been a favorite lunch in our household.   One can will feed our entire family, so it’s cost effective, and they like the taste!   We started researching and learning more about tuna…and so we’ve made some changes to make sure we’re eating the healthiest option! I’ll share what we’ve learned, and give you a ranking of our preferences of canned fish, from best to worst. We are taking three things into consideration: the potential amount of heavy metals in the fish, the type of preservatives used in the processing, and the amount of omega-3’s in each fish. Let’s start with the potential amount of heavy metals.  …