Myth: Gynaecomastia only develops in very overweight men. Fact: No, a man who is at a healthy weight may also develop the gynaecomastia condition, as excess fat alone isn’t the cause of the condition. The real factor behind gynaecomastia is an imbalance of hormones. Myth: Gynaecomastia will go away on its own. Fact: Teenage boys can experience gynecomastia during puberty which subsides within about two years. However, gynecomastia that persists longer than that will not go away. Myth: There is no permanent cure for gynecomastia. Fact: Gynaecomastia surgery permanently reduces excess glandular or breast tissue, contouring the chest for a masculine appearance. This is achieved through various surgical techniques to remove excess tissue. Myth: Any doctor can perform a gynaecomastia surgery. Fact: No, plastic surgeons only perform gynaecomastia surgery.