Why Do Men Have Nipples?

Basically, both male's and female's breasts are the same, but the male's don't get enough of estrogen (female hormone), so guys don't get to produce milk (d'u want to anyway?). Experts on sex hormones said that the development of nipples in men has been restricted during the early stages. A doctor from a university in New York adds that the presence of the nipples in both sexes shows that the basic body plan of men and women is similar. The function, well, other than probably just cushioning the heart from and lungs from injury, is nothing. However, the doctor points out that  the tissue is still there and can still be made useful. As commonly seen in male-alcoholics, the abnormal enlargement of the breasts in men, gynaecomastia, when there's an excess of estrogen, this shows that it's possible for guys to milk.

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