During adolescence; It is normal for males to have breast growth due to hormonal reasons as the body is in a hormonal complexity. This period has to be temporary, if not, gynecomastia occurs. If the young male is overweight, it is more likely for him to have gynecomastia.
Even though gynecomastia generally occurs due to mentioned causes, it can occur due to testical tumor and medication usage.
Gynecomastia can occur without any reason, which makes it an “idiopathic disorder”. Hormonal treatments, compression shirts, overtraining, weight loss can not be a remedy for it, because even if the patient loses weight, breast tissue does not shrink, only the fat percentage decreases.
Main causes for gynecomastia can be listed as follows: