Gynecomastia is the medical term for breasts in men. Roughly 50-60% of teenage boys and up to 70% of men over the age of 50 have this condition. What are the signs or symptoms of gynecomastia? Having a lump of fatty tissue under the nipple with or without a corresponding sensitivity or tenderness. Some men might present with an enlarged areola and it might affect one or both breasts. What is the cause? Gynecomastia is mainly a hormonal imbalance in the ratio between testoster