See, for example:
The ingredient in fizzy drinks causing the damage is fructose, which is highly absorbable in the liver. It does not affect insulin production and goes straight to the liver where it is converted to fat.
More related stories:
A high fructose diet impairs spatial memory in male rats.
Fructose and weight gain has gotten a lot of press:
So, wait, an apple a day (pretty high in fructose...) might not actually keep the doctor away?
hahaha there may even be a link between borborygmi and fructose!