17
   

Why do girls have big boobs?

 
 
boomerang
 
  1  
Reply Mon 19 Dec, 2011 12:41 pm
@Butrflynet,
Excellent, Butrflynet! Thank you for that. Very interesting.
0 Replies
 
boomerang
 
  2  
Reply Mon 19 Dec, 2011 01:59 pm
Thinking through this selection bias thing a bit I got stumped.

If, at some point in our evolution, women did not have big boobs unless they were gestating or nursing an infant, wouldn't big boobs have indicated that a woman was unavailable for mating? Wouldn't a male have selected a small boobed woman as she would have a better chance of conceiving a child?
jcboy
 
  2  
Reply Mon 19 Dec, 2011 02:06 pm
Funny I never really noticed.
DrewDad
 
  2  
Reply Mon 19 Dec, 2011 02:11 pm
@Setanta,
Setanta wrote:

There is something seriously weird going on here. I suddenly got some strange music going on, and looked all over the computer to try to identify the source--but i couldn't find the source. However, when i closed the window for A2K here, it stopped. Maybe something from one of the links in this thread?

Bow-chicka-bow-bow!
Joe Nation
 
  1  
Reply Mon 19 Dec, 2011 02:15 pm
Oh, I remember reading the Naked Ape.

Joe(I think I'll read it again.)Nation
boomerang
 
  2  
Reply Mon 19 Dec, 2011 02:25 pm
@jcboy,
But don't you have a son?

It's probably likely that he will be a boob noticer.

I'm a straight girl and I notice boobs and, as it turns out, has to answer questions that account for them.
DrewDad
 
  1  
Reply Mon 19 Dec, 2011 02:27 pm
@boomerang,
Only if our evolutionary ancestors practiced monogamy.
ossobuco
 
  1  
Reply Mon 19 Dec, 2011 02:32 pm
@Butrflynet,
Butrfly -
Thanks for that link, very interesting, will have to read more.
<laughing re an author's name related to the theorizing... Lovejoy>

Boomer - great thread question
0 Replies
 
jcboy
 
  1  
Reply Mon 19 Dec, 2011 02:38 pm
@boomerang,
Yep but he’s only five so hopefully we have a few years before he ask that question Smile
0 Replies
 
Setanta
 
  3  
Reply Mon 19 Dec, 2011 02:42 pm
@boomerang,
On the contrary, it would advertise the woman's successful fertility.
Setanta
 
  1  
Reply Mon 19 Dec, 2011 02:42 pm
@DrewDad,
That's pretty close to what i heard. Very strange.
0 Replies
 
ossobuco
 
  2  
Reply Mon 19 Dec, 2011 02:47 pm
@Joe Nation,
I never read it, but one of my cousins talked about it a lot. Sorta just like reading.
Similar buzz as with the Castaneda books, except that I would have liked to have read Naked Ape and used to try to leave the room in Castaneda discussions.
0 Replies
 
Butrflynet
 
  3  
Reply Mon 19 Dec, 2011 02:51 pm
Here's the definitive reason for why women have big boobs:

0 Replies
 
ossobuco
 
  1  
Reply Mon 19 Dec, 2011 02:54 pm
I had a moment's pause when reading the wiki link, in that I first read it that estrogen production was related to continuous big boobs and jumped to the implication that those with big boobs have more estrogen than smaller boobed women - which I'm doubtful on, but don't know. But then I reread and figure the author(s) meant that it was related to the puberty time increase in estrogen production. I figure boob size of women is primarily a genetic thing.
0 Replies
 
Butrflynet
 
  3  
Reply Mon 19 Dec, 2011 03:01 pm
More reading material:

Evolutionary Mysteries: Breasts, Part 1

Part 2

Part 3

Part 4

Part 5
ossobuco
 
  1  
Reply Mon 19 Dec, 2011 03:16 pm
Thanks for the additions.

On the body proportion thing -
I've read about the ratio for bounty re women's dimensions and fertility, but anecdotal experience from friends and relatives of my younger years has a couple of them of, let's say, subtle boobs, being pregnant from their first and only time (within a year or more).

What are the data re boob size alone and births?
Obviously, I could look it up, just wondering if anyone knows offhand.
0 Replies
 
roger
 
  2  
Reply Mon 19 Dec, 2011 04:10 pm
Floatation
0 Replies
 
boomerang
 
  1  
Reply Mon 19 Dec, 2011 05:41 pm
@DrewDad,
But it's hard for a woman to get pregnant while breastfeeding and very nearly impossible for a woman to get pregnant while pregnant. Since women's boobs get bigger when pregnant or nursing wouldn't it tell a man that his chances of mating and conceiving a child would be diminished?

It just seems kind of backwards to me that big boobs would indicate fertility.
0 Replies
 
boomerang
 
  1  
Reply Mon 19 Dec, 2011 05:42 pm
@Setanta,
Wouldn't it really indicate her past sexual fertility?
boomerang
 
  1  
Reply Mon 19 Dec, 2011 05:48 pm
@Butrflynet,
Another excellent link, Butrflynet. Thank you!

It's interesting for me to see that so many people have put so much thought into this. If Mo hadn't raised the question and made the observation about other mammals I wouldn't have ever given it a second thought.
0 Replies
 
 

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