Male breast produces milk

Baby formula should be tailored for boys and girls to reflect the differences in milk that mothers produce depending on their baby's sex, researchers say. Tests on mothers' milk in both monkeys and humans have showed that levels of fat, protein, vitamins, sugars, minerals and hormones vary enormously, but there is evidence that milk made for female and male babies is consistently different. The make-up of the milk has a direct impact on the child's growth, but also on his or her behaviour and temperament, which may last for the rest of their life. Scientists suspect that breast milk may be tailored by nature to meet the different growth needs of the sexes.

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Male Breastfeeding Kit Could Let Dads Nurse Their Babies

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Unlike female nipples, male nipples appear to be purely decorative. To start, male lactation has been observed in a few domesticated animals, including cats, goats and guinea pigs, on rare occasions. However, male lactation seems to be common only in dayak fruit bats, though it's not yet clear why males of this species have the biology to spontaneously produce milk. Importantly, human biology also makes male lactation a possibility. For both women and men, breast tissue contains hollow cavities called alveoli, which are lined with milk-secreting cells. But the critical determinant of lactation is prolactin, a hormone that's produced by the pituitary gland and stimulates the mammary glands to produce milk.
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Ever wonder why men have nipples? But did you know mens nipples can produce breast milk? Although rare, human men have an easier time producing milk than other male mammals. It all has to do with milk producing mammary gland found in both men and women. Females have an easier time producing prolactin — the hormone that enables lactation.
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What is gynaecomastia? Breast development in boys 3. What are the main causes of gynaecomastia?
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