eli5: hand-wash after peeing

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Why do we have to wash our hands after we pee? Is our penis that dirty? It just basically stays insidec the underpants all day. I’m sure hands and face are much dirtier than it. Then, why wash?

In: Biology

5 Answers

Anonymous 0 Comments

The gentials get dirty because they are in a cramped space without ventilation often moist with sweat, which allows for bacteria to develop. They are also in close proximity the anus, and could be smeared with fecal matter. Some urine could be get on the hands and its smell could be detected later by other people.

Anonymous 0 Comments

You touch the flushing mechanism on the urinal/toilet? Doors? All those fixtures get sprayed by waste particles. Also sweat from genitals.

Anonymous 0 Comments

You touch anything else after peeing? Door handle, pens, handrails? No one else wants to touch your crotch sweat and bacteria.

Anonymous 0 Comments

If you don’t wanna wash your hands after using the bathroom then I’m gunna guess yes, your penis is dirty.

Anonymous 0 Comments

You gather germs from everything you touch throughout the day. Washing when you pee is just a convenient time to reset that accumulation. Plus what others said.