is that it's in so many foods that the amount of sugar you're getting really adds up even if you're not eating sweets. There was a peer reviewed scientific article a couple of months ago I believe about it did something regarding the liver but I can't really remember. I can try to dig it up, but I think someone posted it in Health.
Here's the thread from March:
http://www.democraticunderground.com/discuss/duboard.php?az=show_topic&forum=222&topic_id=18300A little down in the thread is a discussion regarding the fact that fructose is also in fruit.