Our intentions may be very good but because the intelligence is limited the action may turn out to be a mistake - a mistake but not necessarily a sin for sin comes out of a wrong intention.
It's really frightening, American food on the whole. That's what always strikes me, coming from Europe: There's just so much of it! Then you plop down in front of the TV and watch ads for Weight Watchers. 'Lose weight now!' Well, eat less!