Healthy Children Who Aren't Growing, May Not Make Enough Human Growth Hormone 

Most healthy children between the ages of four and 10 grow about five centimeters (two inches) a year. So, one family knew something was wrong when their son fit into the same clothes, season after season. VOA's Carol Pearson reports doctors were able to get him growing once again after testing for a growth hormone.
Originally published at - www.voanews.com/a/4665966.html