What causes bone age to be older than actual age?

Bone age is greater than the actual age is often due to premature sexual maturity. If the bones grow too fast, can make epiphysis fusion earlier, the child has less room to grow tall. Therefore, bone age can reflect the child's height growth space to a certain extent. Children's height is mainly related to genetic factors, if the parents are not tall, the child is generally not too tall. Can also through acquired efforts appropriate growth height, to make the child grow tall acquired exercise indispensable, can be appropriate for physical exercise, such as high jump, basketball and other sports. In addition, adequate sleep is also very important. Usually pay attention to strengthen nutrition, eat more fruits, vegetables, supplement fish, shrimp, meat, eggs and other high-quality protein. If necessary, check growth hormone, if growth hormone deficiency, need medication supplement.