I'm an advocate for low-glycemic sweeteners like stevia and agave nectar. These sweeteners, which are natural and don't contain chemicals, are great alternatives to refined sugar and artificial sweeteners. Why don't more people use them, then?

Almost no people I know use anything but table sugar, Sweet and Low and Splenda to sweeten those "boring" drinks. Other sweeteners -- like sorbitol -- can even lead to extreme weight loss over time, according to a new report out this past week.

Weight loss is good when done in a gradual, methodical fashion. Extreme weight loss, though, should make you nervous. It doesn't give the body time to adjust to the changes it's undergoing and can be dangerous. If you're seeing -- or have seen -- extreme weight loss and you consume sweetened foods, drinks (or even gum) regularly, consult with your doctor and try to nail the reason down for your weight swings. It just could be that you're simply taking in too much sorbitol.

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