Gynecomastia is a benign abnormal growth of breast tissue among men. The condition often occurs during puberty and in men 50 years of age or older. In many cases, men who suffer from the condition look as if they really do have breasts like that of a woman.
More often than not, gynecomastia is caused by a hormonal imbalance in which the body overproduces estrogen. The condition can also be triggered by abusing substances like marijuana, alcohol, heroin, and amphetamines.
Gynecomastia can occur in one breast or both breasts. Although it is not a life-threatening condition, it often causes embarrassment for the sufferer and can lead to low self-esteem, especially among adolescent boys and young men. Continue Reading