When gynecomastia is called the enlarged breasts in men distinction is made between a genuine and a false gynecomastia. The true gynecomastia is caused by a proliferation of glandular tissue. In the gynecomastia is not a disease but rather a symptom.
So it can come from a lack of male hormones, or by an increased estrogen production and to increase proliferation of the glandular tissue. Chronic diseases, this can especially liver or kidney disease, causing gynecomastia. The false gynecomastia, however based on an accumulation of fat, as occurs in overweight or obese.
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