If you tap someone below their kneecap, their thigh muscle will contract—and just as reliably, if you eat something, your ...

However, people can take the following steps to reduce the reflex’s intensity and the urgent need to poop after eating: Seek diagnosis and treatment of underlying gastrointestinal conditions.

It’s worth reiterating that it’s perfectly normal to have to poop after eating—and if you aren’t bothered by it, there’s absolutely nothing you need to do about it.