Many visitors are surprised to historical museums, looking at the armor of medieval knights. They often have a question: what were these knights in armor that does not fit the child and twelve twenty-first century?
The funny thing is that this armor is actually the child will not fit. The fact that human growth is constantly changing, people have increasing growth over the centuries. So modern man would look like Gulliver among the famous followers of King Arthur. Statistics showed that in the last 150 years, human growth increased by more than 20 cm
However, the consequences and the causes of this process to the end of yet unclear. Last important and big acceleration (a sharp increase of human growth) happened 25 years ago, mainly in the Americas and Europe. Parents just do not stop surprising increase in the growth of their children.
This phenomenon of increasing interest in human growth American University professor <link>Darwin Smith<link>; he devoted many years studying it. Much to our surprise, the professor was not confirmed the initial hypothesis, which stated that the increase of human growth dictates genetic apparatus of man.
Undoubtedly, genes play a role in this process, but not exceptional. Should be the main role in the increase of human growth is improving living conditions (nutrition, good housing). And the more comfortable people live in the country, the growth of the population wakes up.
