Why does pooping feel so good for guys?
Your brain often perceives these nerve signals to be pleasurable as it is associated with completion of a task (that would be pooping).
Stimulation of the vagus nerve through defecation could even momentarily lower heart rate and blood pressure.
The pudendal nerve might get in the act, too..
Why does pooping make me cry?
When your abdominal muscles flex and tighten to help push poop out of your colon, they put pressure on the organs and membranes around them. This pressure, along with your regular breathing , can put strain on the nerves and blood vessels that line the abdomen, resulting in tears being produced.
Does pooping release endorphins?
The exact science is unknown, but Sheth thinks the sensation may result from “a slightly prolonged buildup, an overdistension of the rectum, and immediate collapse by passing a sizable stool, which fires the vagus nerve and releases endorphins.” Lights-out pooping, Sheth adds, may “help with a proper rate of exit.”
Why do I feel bad when I need to poop?
The sensation you are describing is most likely due to a reflex called a “vasovagal reaction.” Here’s what I mean. Often people need to tense their abdominal muscles and strain a bit during a bowel movement. This tends to stimulate the vagus nerve, which slows the heart rate.
Why does it feel so good to poop on your period?
Prostaglandins signal the uterus to contract, which pushes out your uterine lining, so you get your period. But what most likely happens, is some lost prostaglandins head over to your bowel and cause that to contract, making you feel like you have to poop and causing gas.