The original post: /r/todayilearned by /u/AndriyMa on 2025-02-09 19:20:48.

Original Title: TIL Ireland holds the world’s highest frequency (~10–11%) of C282Y, a gene variant in hereditary hemochromatosis. Historically, poor diets from poverty, heavy tea, and reliance on potatoes favored iron-boosting. Now, iron-fortified foods can cause overload, leading to harmful excess body iron levels