What causes Gynecomastia?
Gynecomastia is a condition involving enlarged male breasts. It is triggered by a decrease in the amount of testosterone in relation to the amount of estrogen in the body. Enlarged male breasts result from hormone imbalance, which can be brought on by:
Natural changes in hormone levels
Many teenagers have gynecomastia brought on by puberty, which typically resolves on its own within 6 months to 2 years. More than 50% of male newborn infants have enlarged breasts from their mother’s estrogen, which usually goes away within a few weeks. At least 1 in 4 men in the 50 to 69 age group have enlarged breasts due to decreasing testosterone levels associated with aging.
Several health conditions can affect hormone balance and lead to gynecomastia. Examples include: hyperthyroidism (over-producing thyroid gland); certain tumors; cirrhosis of the liver; malnutrition; aging; and hypogonadism (conditions that interfere with normal production of testosterone); and obesity.
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