The Weekly Skinny: All the healthy news you need (3-4-11)

How many diet sodas do you have a day? It's possible you may be hooked. FatFighterTV has a look at this story and other diet and fitness headlines making news this week.

Can you be addicted to diet soda?
It's not as addictive as a drug like nicotine, but a new report finds the rituals that go with diet soda and the artificial sweeteners in it can make some people psychologically - and even physically - dependent on the soft drink in ways that mimic more serious addictions.

Also see: Junk foods may be as addictive as cocaine

Is BMI going bye-bye?
BMI (body mass index) my be getting some competition. Scientists have come up with a new way to measure whether you are overweight without using a scale. The new technique is called Body Adiposity Index, or BAI. It relies on height and hip measurements and is supposed to be more flexible than BMI, a ratio of height and weight.

Also see: Killer muffin tops

Hidden veggies may help you lose weight
Here's a great way to add more veggies to your diet and shed some pounds. A new report from Pennsylvania State University finds adding hidden pureed vegetables to entrees can reduce the number of calories in the meal without sacrificing texture or taste. And this can help cut the total number of calories you have. Think pureed cauliflower in your chicken casserole...

Also see: Sweet Potato Bisque

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[photo credit: Getty Images]