It is called barfblog, and anyone with kids knows they do gross things. So do the adults.

I’ve known people who picked their nose and subtely ate it, but we all saw.

The four-year-old daughter also thinks no one is watching as she prepares to snack down, to which both parents say, use a tissue.

But despite everything you may have heard from your mom, picking your nose and eating what you find may have some health benefits, according to a biochemistry professor at the University of Saskatchewan in Saskatoon.

“By consuming those pathogens caught within the mucus, could that be a way to teach your immune system about what it’s surrounded with?” is the hypothesis Scott Napper posed to his students.

CBC cited Napper as noting that snot has a sugary taste and that may be a signal to the body to consume it and derive information for the immune system.

“I’ve got two beautiful daughters and they spend an amazing amount of time with their fingers up their nose,” he said. “And without fail, it goes right into their mouth afterwards. Could they just be fulfilling what we’re truly meant to do?”