What is the condition of excessive mammary development in the male called?

The condition of excessive mammary development in males is called gynecomastia. It involves the enlargement of breast tissue and can be caused by hormonal imbalances, certain medications, or underlying health conditions. Gynecomastia can occur in one or both breasts and may lead to physical discomfort or psychological distress for those affected. Treatment options vary depending on the underlying cause and severity of the condition.