The growth of the human body is actually made up of:
The height of human body depends on the length of long bones.
When people are young, the cartilage layer at the epiphyseal end can constantly produce new bone tissue, making bones grow longer.
When the human body is about 20 years old and the epiphyseal line is closed, the human body will maintain a certain height.
The methods of increase are:
Height is 50% hereditary and 50% acquired. When you are a teenager, you can exercise moderately, or stimulate cartilage with a heightening insole to increase your height. This is also the healthiest way for people.
If you lack growth hormone, it will lead to shorter height. You can consult a doctor in a regular hospital.