When you say "lots of people" you have to understand that you're still talking about about an absolutely tiny fraction of society. 99.9 percent of people if asked what the hair quality of a homeless person is would be utterly befuddled and unsure how to answer the question. It isn't some accepted social anomaly that the homeless have nice thick heads of hair. It's a shared observation by a few people - on a hairloss forum mind you - who are inherently more prone to thinking about other people's hair quality and therefore potentially seeing trends where they don't actually exist. There isn't anywhere close to an established correlation between "being homeless" and "hair health."
Furthermore, I feel like the literature on hairloss has proven that "lifestyle" and diet play minimal roles in the actual triggers of MPB. There are bald people amongst literally every single socio-economic demographic that you can possibly conceive within a certain age group. Varying percentages of the homeless, world-class athletes, finance giants, students, salesmen, bank robbers etc etc all experience hair loss and there are a limitless number of variables to consider and thus trying to selectively isolate something like how many calories or protein intake or Vitamin D they consume as being a causal factor is counter-intuitive when in fact almost all literature conducted in the field spanning several decades points to a genetic predisposition.
Your last point argues against everything else you wrote....the overwhelming prevalence of black athletes in the United States proves that genetic variables are far and away more decisive factors in determining a groups' shared physiologies and physical features.
Furthermore, I feel like the literature on hairloss has proven that "lifestyle" and diet play minimal roles in the actual triggers of MPB. There are bald people amongst literally every single socio-economic demographic that you can possibly conceive within a certain age group. Varying percentages of the homeless, world-class athletes, finance giants, students, salesmen, bank robbers etc etc all experience hair loss and there are a limitless number of variables to consider and thus trying to selectively isolate something like how many calories or protein intake or Vitamin D they consume as being a causal factor is counter-intuitive when in fact almost all literature conducted in the field spanning several decades points to a genetic predisposition.
Your last point argues against everything else you wrote....the overwhelming prevalence of black athletes in the United States proves that genetic variables are far and away more decisive factors in determining a groups' shared physiologies and physical features.
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