It asked people to document how much saturated fat was in their diet, how many fruits and vegetables they ate, how often they went out for fast food, and how much soda and juice they consumed.

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Both of us were sick of on-the-road fast food, so we got packaged salads, pretzels and juice -- not exactly the fried Southern fare you see in most restaurants around here.

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They crush or press juice out of produce in a few minutes, leaving less waste behind than a fast juicer does, and they typically do a better job with tricky ingredients like wheat grass, nuts and leafy greens.

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