I personally am a very scientifically mind person but to believe that height increase beyond say 1 inch is possible, we must consider beyond the normal approaches of just good nutrition , exercise, and rest.
We move into the areas of eastern mysticism and non-scientifically validated theories and try our luck at those. As of right now, there is only two approaches which I have found which does have some hope that it could work, but the amount of personal dedication to the project is enormous.
They are …
[Update: Recent findings suggest this person might be a fraud. I will need to do more research to check to see if this technique was a scam or not. You can still try it out though.]
The method involves the use of deep breathing, affirmations, and strong vizualizations.
This method involves putting a certain amount of load upon certain areas on one’s leg to force distraction of the long bones. Scientifically valid.
At this point, there is no other reasonable way to increase one’s height significantly without medical procedures to be done.
Note: These methods and techniques should be added along with the program that we stated is need for the height increase of 3 cm.