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Tapping citizen-scientists for a novel gut check

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WASHINGTON (AP) — The bacterial zoo inside your gut could look very different if you're a vegetarian or an Atkins dieter, a couch potato or an athlete, fat or thin. Now for a fee — $69 and up — and a stool sample, the curious can find out just what's living in their intestines and take part in one of the hottest new fields in science. Wait a minute: How many average Joes really want...