In case you weren't already curious.
The nipples might be the more covered up parts of our bodies, but there’s so much to know about them that most probably don’t. There’s a lot more to understand about these “dots” on our chest than simply how sensitive they can be, or how women can use them to breastfeed children. You won’t believe how useful nipples can be for a person’s body!
We always thought that #4 was a myth!