Fat logic at it's finest right there.  And also welcome to North America, where food/soda is the #1 drug of choice and the #1 killer drug.  Yet people fight to make it as acceptable as drinking water and eating fruits and vegs.  It's like how some people think a glass of whisky a day keeps you living forever.  However the people that are 90 and saying that, usually eat very healthy and are very fit. See Here