"In a separate study, the researchers tested blood triglyceride levels after people consumed a meal with 25% of the calories from HFCS, sucrose, fructose or glucose. All sugars except for glucose caused elevated levels 24 hours after the meal."

from ScienceBlogs 6/11: Artificial Sweeteners
Sodas sweetened with artificial sweeteners have long been the go-to drink for dieters looking to cut back on calories, but a new study from Purdue psychologists suggests that high consumption of such beverages is linked to obesity. Rats fed a sugar substitute gained significantly more weight during the course of the study than those fed regular glucose.