Women and breasts

Each breast contains between 15 and 20 sections called lobes, each of which is composed of many smaller structures known as glands or alveoli. These glands produce milk. A system of small tubes known as ducts transports milk from the glands to a big central duct that has multiple openings in the nipple. A central duct opens into the nipple from each lobe. A band of muscle surrounds each gland. Eventually, a sucking baby extracts the milk by pressing and pumping it out from these pools through the nipple.
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Why Do Women Have Breasts?

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Normal changes in your breasts | The Royal Women's Hospital

Scientists have never satisfactorily explained men's curious breast fixation, but theorists are gonna theorize. Mammary glands are a defining feature of mammals, but humans seem unique in granting mammaries a large sexual role. That's not to say interest in nipples is entirely unheard of elsewhere in the animal kingdom: In the book "Biological Exuberance: Animal Homosexuality and Natural Diversity" Stonewall Inn Editions, , Canadian biologist Bruce Bagemihl notes that a couple of primate species, including humanity's close relative the bonobo, have been seen stimulating their own nipples while masturbating. Still, few mammals other than humans mate face-to-face the behavior makes headlines when seen in the wild , so nipple stimulation isn't generally part of the script. Researchers have long speculated that humans evolved the fatty deposits around the female mammary glands for sexual reasons.
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Breasts: inside women's breasts

Breasts change a lot over a woman's life. Some common reasons for breast change are: At some stage in their lives, many women have a change in their breast that is different to their usual hormonal changes. Ruling out breast cancer To be confident that your breast change is not cancer or another disease, your doctor will consider:
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August 5, Women are busty all the time, even after menopause. According to some scientists, the trait is an evolutionary trick for snagging men and signals a woman's ability to feed her children. But no one can confirm an answer as to why women are the only apes with sizable chests.
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