Enlarged male breasts or gynecomastia sometimes isn’t your fault. The causes range from weight gain to serious medical conditions. Understanding the reasons your breasts have grown can help you seek the right treatment. Klinefelter’s Syndrome Klinefelter’s syndrome is a genetic disorder. It often presents itself after trauma, infection, reduced blood flow, or can be a part of the aging process. It causes a reduced production of the sex hormone testosterone. This then leads to less body...