• dedale@kbin.social
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    1 year ago

    For a non meme answer. my bet would be on endocrine disruption of the thyroid, by pollutants.
    Along with a change in feeding habits in former third world population (sudden access to an abundance of sugar when you’re not genetically ready for it).
    And maybe compound it with unhealthy lifestyles (increasing sedentary lifestyles).

    • Joe@kbin.social
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      1 year ago

      What do you mean by “not genetically ready for it”? People in third world countries don’t have significantly different genetics to those in first world countries, and people in first world countries haven’t evolved since the introduction of McDonald’s