While daily nutrient recommendations are designed to serve as a general guide for most people, they don’t account for genetic differences.
Iron, an essential mineral that plays a crucial role in many bodily functions, is one example. New research indicates that East Asians absorb and store more iron than other ancestries, increasing their risk of iron overload and chronic diseases like diabetes, liver disease, and heart failure.
How Genetics and Ethnicity Play a Role
We need iron, but the right amount is key. Too little, and you’re deficient—too much, and it’s toxic.
Dietary guidelines outline how much of each nutrient healthy people should get daily, and this amount differs by age and sex....
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