Gynecomastia, also known as enlarged breasts in male. It is a common condition that can be caused by a various factors. Usually, it is caused due to increased testosterone levels in male chest, but it can also be caused by other factors such as obesity or lack of exercise and increased body fat or increased estrogen level. If gynecomastia is caused by certain drugs, steroids or medications, discontinuing their use may reduce symptoms. That's why it is very important to have better treatment at the right time.