Can some high iqcell fact check this

[idnap]

Youtube video
nearly a million views in 2 months hes talking about how height is more about nutrition and habits than genetics itself he brings up pretty good points like how the avg. height of a north korean man is 5'5 yet south koreans are 5'9

 

[medialcanthus]

Youtube video
nearly a million views in 2 months hes talking about how height is more about nutrition and habits than genetics itself he brings up pretty good points like how the avg. height of a north korean man is 5'5 yet south koreans are 5'9

logically

 

[vincentzygo]

To grow you need to eat food