Genetic Haemochromatosis - common in Celtic/Gaelic nations

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Genetic haemochromatosis is identified as the most common undiagnosed genetic condition in Scotland, with recent research indicating that approximately 1 in 113 individuals are predisposed to the condition, yet less than 1 in 20 have received a diagnosis. This condition is also prevalent in Ireland, Wales, and potentially Northern England. In response to the issue, Aberdeenshire has initiated a community health initiative aimed at raising awareness about genetic haemochromatosis, particularly in memory of Miranda McHardy, who died from the condition in Spring 2023. This project involves collaboration with local volunteers and organizations, focusing on educating the community about the risks and symptoms of iron overload. Additionally, there are concerns that genetic haemochromatosis may be overlooked among Irish, Scottish, and Welsh immigrants in countries like the US, Canada, Australia, and New Zealand.
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Genetic haemochromatosis is most common undiagnosed genetic condition in Scotland. Recent research suggests that around 1 in 113 people in Scotland are pre-disposed to the condition, but fewer than 1 in 20 have been diagnosed.
Apparently it is common in Ireland and Wales as well, and perhaps N. England.

Aberdeenshire has had, or has, "a community preventative health initiative over the next 3 months, to raise awareness of genetic haemochromatosis (iron overload) across rural Aberdeenshire in memory of local resident Miranda McHardy, who passed away suddenly aged 59 from GH in Spring 2023.

This project is being undertaken in collaboration our charity’s Scottish volunteers, our Friends Against Iron Overload and other supporters, including Miranda's family and friends, who were determined to transform their loss into something positive for the local community."
https://www.haemochromatosis.org.uk/news/screening-across-aberdeenshire
The page is not dated, so it's not clear that this already happened or is ongoing.

https://www.haemochromatosis.org.uk/common-symptoms-of-genetic-haemochromatosis

This is also a possible health concern for Irish, Scottish and Welsh immigrants in US, Canada, Australia and NZ, where it might be more likely to be missed.
 
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1 in 113 is certainly fewer than 1 in 20.
 

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