We've all heard it. You should eat fish..It's REALLY good for you...Eat it at least TWICE a week. MMMMMMM......Okay. You don't have to convince me. I LOVE fish. Grill it, bake it, cover it with a delicious cheesy sauce and I'm one happy camper. But....The list of "good fish" to eat changes year after year. That being said, there are still some fish that, no matter what happens, you should ALWAYS avoid. Are you ready? Here's the list.