Be careful who you trust with that stool sample; it could be used to identify you. Researchers say they’ve found a way to tell people apart based on the population of bacteria in their poop. They say it works about 86 percent of the time, at least among a relatively small group of test subjects.
Your Personal Ecosystem
The human body is home to a thriving ecosystem of microorganisms called the microbiome. Bacteria and yeast live all over the skin, around the eyes, and in the nose, mout