This article focus to Define and Discuss on Gynecomastia. Aside from hormonal imbalance, gynecomastia might be caused by drug abuse or possibly a side effect of using certain medications. Gynecomastia is usually an enlargement of the glandular tissue within a man’s breasts causing these to protrude from the chest giving them the look of woman breasts. Gynecomastia is quite common in males who definitely are going through adolescence. Additionally, it may occur at infancy and also in middle-aged to older men. It happens because of an imbalance of hormones inside male body.