Some types of canned tuna, like albacore and yellowfin, tend to have higher mercury levels than others. And let's not forget about BPA-lined cans, which can leach into the tuna and cause health problems. But don't worry, many brands are now using BPA-free cans!
Is Eating Too Much Canned Fish Bad For You at Jonathan Whelchel blog
Now, you might be thinking, "is canned tuna still worth eating?" And the answer is, yes! In moderation, of course. Just be sure to check the labels and choose low-mercury options, like skipjack or light tuna.
