Looney Tuna There was I killing myself avoiding soft cheese, pat�, alcohol, tobacco, cats (not to eat mind), drugs while eating at least 3 tuna sandwiches a week. The Milk Bar does a very tasty tuna and cucumber baguette. Little did I know that good ol’ tuna could be more dangerous than all the rest put together. One of my favourite sources of fish and now it’s off the menu until I hit menopause (or it hits me. Ye can’t win folks. FSAI – FSAI Issues Guidelines on Consumption of Shark, Swordfish, Marlin and Tuna