Why are Japanese short

[House Lannister]

Their Korean and Chinese counterparts are becoming 5’10 on average in some areas yet Japan is falling behind only height wise. They have the biggest potential if they can reach a 5’9 average

 

[Daqirius]

They play video games all day which stunts height

 

[190cm90kg]

Current protein and amino acid intakes among Japanese people: Analysis of the 2012 National Health and Nutrition Survey - PubMed

The Japanese population might have insufficient quality, quantity and distribution of protein intake required to prevent sarcopenia or frailty. Geriatr Gerontol Int 2018; 18: 723-731.

pubmed.ncbi.nlm.nih.gov

low animal protein while China consumes a lot, specifically pork