There has been a general increase in human height, in developed countries, for many decades. Some references: http://www.sciencedaily.com/releases/2013/09/1309

There has been a general increase in human height, in developed countries, for many decades. Some references: http://www.sciencedaily.com/releases/2013/09/130902101714.htm http://www.sciencedaily.com/releases/2013/09/130902101714.ht... http://www.cdc.gov/nchs/data/ad/ad347.pdf http://www.cdc.gov/nchs/data/ad/ad347.pdf