At the office or a crowded party. On a plane. Visiting your brand-new significant other’s apartment. We’ve all been there: You’re in the absolute last place you’d ever want to poop, but suddenly you ...

A person’s rectum, which is usually around 20 centimeters (cm) long, can hold up to 300 milliliters (mL) of feces before someone typically feels an urge to poop. However, research suggests that the ...