Enlarged Male Breast Tissue (Gynecomastia)Uploader: Kajijas 4 years ago Subscribe 1
However, male estrogen levels that are too high or are out of balance with testosterone levels can cause gynecomastia. Merck Manual Professional Version. Learn more about the symptoms of hi It's commonly caused by a viral infection, but there are other possible causes of hepatitis. Papadakis MA, et al. Female anatomies naturally produce more fat than males.