Cats Can't Taste Sweetness, Study Finds

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Chris is a 12-year-old, 400-pound lion

Chris, a 12-year-old, 400-pound lion at the Zoo New England, has been on a lifelong, radical Atkins diet -- super-high protein and absolutely no carbohydrates. It turns out Chris, like other cats, lacks the ability to taste the sweetness in carbs. Courtesy Zoo New England hide caption

itoggle caption Courtesy Zoo New England

Some scientists have long suspected that cats, which are strict carnivores, are "sweet blind." Now there's proof: Cats lack the receptor for sweetness. The discovery opens a window on what taste is for and how it evolved. It may also help cat food makers producer a product that even sick cats will eat.

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