They say that having a little bit of what you fancy is the key to leading a healthy lifestyle - just as long as you do it in moderation.
But what about the foods that are on the ultimate naughty list?
Well, you may just be in luck, because according to a catalogue of recent studies across the globe, foods that are usually struck on the bad food list, can actually have health benefits.
Check out our round-up of things that should be bad for you, but could also be good for you too.
Bon Appetit!