How can 100 calories of cola be worse than 100 calories of hamburger.

Some years ago, for a nutrition study, researchers at Purdue University gave 15 willing 20-somethings an extra 450 calories a day of sugar.

Sometimes the study participants got soda, sometimes they got jelly beans. In both instances, they had to consume their treat every day and, on some randomly selected days, tell the researchers what else they ate and drank.

Through this study and others, the researchers discovered an interesting phenomenon that has implications far beyond the value of soda versus jelly beans. Click here for full article.