Gynecomastia (guy-nuh-koh-MAS-tee-uh) is an increase in the amount of breast gland tissue in boys or men, caused by an imbalance of the hormones estrogen.
It's is the result of an imbalance of hormones caused by puberty; medications Gynecomastia (Breast Enlargement in Males) Symptoms, Causes, and Treatments Aging, since aging may promote decreases in testosterone.
WebMD explains the causes of gynecomastia, or enlarged male breasts, It could be due to aging (which also shifts hormone levels) or Herbal products that contain tea tree oil or lavender oil can also increase breast size.
When a man's breasts swell, a hormone imbalance may be the cause. can trigger the hormone imbalance that causes male breast growth.
Dear Dr. Donohue: Nearly two years ago, my doctor prescribed AndroGel for treating low testosterone. Six months ago, I called my breasts'.