Originally Posted by ModoVincere

Fundamentally, fructose and sucrose are nothing but empty calories. Both of them provide no vitamins, minerals, or any other useful chemical beyond the calories themselves.
Fructose gets converted to glucose by the liver. Therefore, I don't think it is much different from consuming glucose...it does take time for the liver to convert it though.
It is the empty calories that lead to weight gain and therefore obesity.