Why do people have extra nipples?

Extra nipples were once thought to be a link to our evolutionary past, but the truth is a lot stranger, writes Jason G Goldman.

Can men have inverted nipples? - Quora

Doctor-Approved Advice on How to Get Rid of Inverted Nipples

Why would someone have an inverted nipple? Is it possible to fix this without surgery? - Quora

The Scientific Reason Harry Styles and Other People Have 4 Nipples

Why do people have extra nipples?

supernumerary nipples - pictures, photos

Medplus Pharmacy Nigeria on X: Although not very common, about 1

Celebrities With Extra Nipples: Harry Styles & More – Hollywood Life

Is it okay that I have one nipple more puffy than the other, and is it bad that it hurts when it hits something? - Quora

Third (supernumerary) nipple: Types, causes, and removal

Melissa Flanagan (@missykay115) / X