Some Americans are cutting back on red meat, and health concerns seem to be the biggest reason they're doing it, a survey found. Shmeliova Natalia/iStockphoto.com hide caption

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The public really doesn't know much about what food stamp recipients are buying, and how much companies are profiting. iStockphoto.com hide caption

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Vlad Averbukh, 29, a follower of the paleo diet, eats raw meat along the Hudson River in New York in 2010. (Averbukh did not weigh in on our blog post on the paleo diet.) Emmanuel Dunand/AFP/Getty Images hide caption

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New York City food carts would also be affected by Mayor Michael Bloomberg's proposal to ban sugary drinks 16 oz. and larger. Andrew Burton/Getty Images hide caption

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