• socsa@piefed.social
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    20 hours ago

    Not just many, nearly every single adult will develop some form of lactose intolerance as they age, and as you say, a huge portion will never connect the dots l.

    • Earthwormjim91@lemmy.world
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      20 hours ago

      Not nearly that high. Globally, around 35% of adults have lactase persistence. 65% of adults lose it and become lactose intolerant, but it also depends heavily on race.

      For those with Central and Northern European roots, most are lactase persistent. Like over 90%. That decreases as you move south and east, with <5% of East Asian adults being lactase persistent and 95% being lactose intolerant.

      In the US, 70-75% of adults are lactase persistent, due to the heavy European ancestry of Americans.