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.

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

What is the cause of inverted nipple? - Quora

Breast cancer - Wikipedia

From Paris to Pennsylvania: A Summer of Long Distance, Love, and Journals

Gynecomastia Diet: Best And Worst Foods To Eat

How to lose puffy nipples - Quora

Supernumerary nipple dermoscopy

Supernumerary Nipple: Causes, Diagnosis, and Images — DermNet

Third Nipple: Incidence, Types, Causes, and Removal

Harry Styles Confirms He Has Four Nipples, a Condition Called

From Paris to Pennsylvania: A Summer of Long Distance, Love, and Journals

Third Nipple: Types, Causes, and Removal

Melissa Flanagan (@missykay115) / X

SRHR Hubs - Welcome to Fun Fact Friday! What do Lily Allen, Harry