You can thank the misguided "low fat" movement. To make processed food low fat, the fat was removed and corn syrup added in its place.
And here's what corn syrup did for us (as if we didn't already know):
(And if that weren't enough, there has been considerable research appearing recently that suggests that dietary fat has absolutely NOTHING to do with elevated blood lipids or heart disease. Fat doesn't give you high cholesterol. Elevated insulin production [caused by a diet high in, say, corn syrup] does.)