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6 HOURS AGO Now even shy girls can get their flirt on: http://t.co/c0HifzMGQb

10 HOURS AGO Who knew babies and sloths (yes, sloths!) could be such good friends? http://t.co/t3cHUse1PC

11 HOURS AGO ICYMI @Zendaya's starring in a brand new movie: http://t.co/1VDEbqpbHp #zswaggers

 

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Why do I have boobs in the first place?

 

 

Breasts are 100-percent biological. Every primate—males and females—grows breasts, which contain milk-secreting mammary glands. In males, the mammary glands and breasts remain undeveloped and “flat” because of the lack of necessary hormones to make them grow. During puberty, however, estrogen and other hormones promotes the growth of breast buds in females. And there you have it—that’s why your boobs grow.

 

As to the purpose, we know the mammary gland provides milk for infants, but psychologists, biologists and evolutionary scientists have provided a number of theories for why women grow such prominent breasts. Some think the size and shape of the human breast helps babies nurse, while others put it down to sexual attraction.

 

Does that answer your question, babe?
 
 

BY BRITTANY TAYLOR ON 1/18/2014 12:00:00 AM

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Lavender helps you sleep on school nights.

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Here's a *free* excerpt from Bella Thorne's new book!

 

 

Bella Thorne's got a new book series—

and it's amazing.

 

CLICK HERE for everything you need to know about the first novel, Autumn Falls—plus a Q&A with Bella and a *free* chapter sampler!

 
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