Bacillus subtilis may look like pasta under the microscope, but the bacteria are common in the gut of humans. Could the microbes be contributing to our belly fat? Too soon to tell, scientists say.
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An economist with the Rand Corporation argues that Los Angeles' fast-food ban failed because it merely blocked new construction or expansion of "stand-alone fast-food" restaurants in neighborhoods where that style of restaurant was uncommon to begin with.
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A woman pushes a cart at a Costco store in Hackensack, N.J., in 2013. Big-box stores are effective delivery devices for fattening foods, economists argue in a new study.
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