He may be starting a movement. A UK surgeon and author is revealing what to do when you’re having trouble going No. 2. Dr. Karan Rangarajan, also known as Dr. Karan Raj, is promoting a toilet yoga ...

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 ...