Learn how an imbalance of the hormones estrogen and testosterone can cause swelling of the breast tissue in boys or men.
Enlarged Male Breast Tissue (Gynecomastia) Gynecomastia is an enlargement or swelling of breast tissue in males. It is most commonly caused by male estrogen levels that are too high or are out of balance with testosterone levels.
Gynecomastia is condition in which the gland tissue enlarges the the male breast (s). It's is the result of an imbalance of hormones caused by.
WebMD explains the causes of gynecomastia, or enlarged male breasts, and what men can do to reduce their.
Breast enlargement with increased breast gland tissue in men is called gynecomastia. Gynecomastia can occur during early childhood, puberty, or older age (60.