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(NEWSER) – "Soylent Green is made out of people!" may be back to haunt a true-blue American staple: hot dogs. Using a proprietary "next-generation genomic sequencing workflow" known as Clear Food, Clear Labs analyzed 345 hot dogs and sausages at the molecular level from 75 brands at 10 retailers, CBS News reports.

The results showed 14.4% of the meat was "problematic," meaning a product either had a substituted ingredient that isn't on the food label, or a "hygienic issue" in which a "non-harmful contaminant" was found. On the substitution level, 10% of vegetarian products in this category contained meat. On the non-harmful contaminant level, human DNA (yes, as in from people) was found in 2% of the samples tested—and in two-thirds of the vegetarian samples.

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