I like them too but you got to be careful nowadays what you buy. The FDA recently found high levels of mercury in some canned light tuna. Check out the full article if you want to find out more.

FDA Finds High Mercury Levels in Some Canned Light Tuna
Perp Reviewed by Perp on . tuna fish sandwiches yeah who likes em they are great. down in st thomas there is a hurtin wholesale food market called "cost-u-less". Shit, I'd drop 100+ on 4.5lbs cans of chunk light tuna. Get a gallon of mayo and you are ready to go. Just gotta keep a supply of bread. Mmm im gonna go make one right now. Rating: 5