I am curious why is height important? Understandably, income affects the lifestyle and opportunities, but what does height affect? What changes if you are several inch taller or shorter? I cannot understand. Also, why those who care about height so much do not go for basketball players? Also, the picture with income graph says "household income", not "personal income".
What does weight affect? Breast size? Hair color? Cultures create an archetype of attractiveness and then everyone feels like they come up short. Tale as old as time.
Obesity is strongly associated with several health problems.