Who didn’t want, at some time of their life, to be just a bit taller? Almost everyone has this wish. Girls just wish to come closer to the dreamed model height. And boys would like to be a bit taller, in order to join the basketball team. But too much of good thing can be fatal. Super tall people do exist, and I am guessing they would gladly give back some inches, to have a more standard height.
The historical records show, there were cases of people soaring in growth, far beyond the norm. Usually, it was caused by some disorder. A common cause of gigantism is too much secretion of human growth hormone from cells in the pituitary gland, or as a result of a tumor on this same gland, at the base of the brain. These people are what people would refer too as giants. Take a look: