Intensive scientific research has also proven that the one who say you can't get any taller is not entirely right, most people especially young adults. They manage to gain a few inches taller even after the bones in their lower body have classified ossified (also known as "bone plate is fused").
The reason simply because instead of the length of the femur bone (also known as thighbone), shinbone, and other bones in the lower part of the body, the length of the spinal column in the upper body also significantly contributes to human height (about 35% of the total height).
In general ,human spinal column consists of 33 separate bone segments known as vertebrae held together by ligaments (tough and fibrous tissue). From these 33 vertebrae, only the lowest 9 are fused into two immovable bones, the sacrum and the coccyx, forming the back of the pelvis. All the other remaining 24 vertebrae are permanently movable and thus will never be fused. These 24 vertebrae are the 7 cervical (neck), 12 thoracic (back of chest), and 5 lumbar (loin).
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Located between each of these 24 vertebrae are cartilaginous pads called disks . The thickness of the disks determines the length of the spinal column and directly influences the height. There are totally 25 disks, their combined length accounts 25% of your total height.
Since these disks are non-fusible cartilages, they can constantly grow thicker under the stimulation of growth hormone during a life time. The thicker those disks are, the longer your spinal column is and the taller you become. Even each disk grows only 0.25 cm (0.1 inch) thicker, which is the length of this line in quotes "_", you will grow 0.25 x 25 = 6.25 cm (2.5 inches) taller!
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Tips: Naturally increase the levels of HGH in your body through a specific diet can help you grow taller.