DNA barcodes identify plants people ate via their poop
What people say they've eaten and what they've actually eaten are often two very different lists of foods. Their poop could reveal the truth.
Source: futurity.org
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DNA barcoding identifies the plants a person
DNA barcoding is now being used to identify the plant matter in human feces, revealing what a person has eaten. A reliable genetic marker for plant-based foods can be retrieved from poop, showing not only what was eaten, but in what relative amounts. The technique should improve clinical trials, nutrition studies and more.
Source: eurekalert.org