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A quick reality check
How common is coeliac disease here? Coeliac New Zealand estimates roughly 60,000 to 70,000 Kiwis, or about one in 70, may have coeliac disease, and many of those people are unaware of it. That gives a sense of how widespread the condition is and why it is worth paying attention to.
Local research supports the idea that coeliac is not rare. A population screening study in Christchurch found biopsy confirmed coeliac disease in about 1.2 percent of adults screened, a figure higher than the number of people who had already been diagnosed. That kind of finding suggests there are people with the disease who have not been picked up by routine clinical care. Why might coeliac be missed?
There are a few straightforward reasons. First, coeliac does not always look the same from person to person. Many people still think of it as a condition that only causes tummy troubles, but symptoms can be quite wide ranging. Fatigue, unexplained iron deficiency, low bone density, rashes and mood changes are all among the ways it can show itself. That variety makes it easy for symptoms to be written off as something else.
Second, there are real delays in diagnosis. Recent New Zealand survey work reports that the time from first symptoms to a confirmed diagnosis is commonly several years. In one national survey the median time from symptom onset to diagnosis was around four years for adults. That means many people live with symptoms for a long time before they get a definitive answer. Third, testing has practical limits. The usual blood tests for coeliac work best when a person is still eating gluten. If someone tries a gluten free diet before testing, that can hide the condition from standard blood tests and cause delays or confusion. Genetics and family links
Why diagnosis matters even if symptoms are mild
You might think that if symptoms are mild, it is not worth looking into. The reason coeliac disease is taken seriously by healthcare professionals is that even people with few or no obvious symptoms can still have changes happening inside their small intestine. These changes can affect how well the body absorbs nutrients, which over time can influence bone health, energy levels, and overall wellbeing.
Some people may experience fatigue, low iron, digestive discomfort, or subtle skin and mood changes without realising the connection. Finding out early gives people more options for managing their health, from adjusting their diet to addressing nutrient deficiencies, and can help prevent long-term complications. A practical approach
Conclusion
This is not about medicalising everyday life or suggesting that everyone should rush to be tested. Rather, it is about encouraging mindful curiosity. Coeliac disease is common enough in New Zealand that it deserves a casual place on our list of possibilities when symptoms persist or when family history points toward it. When the clue is there, testing can offer clarity and often a straightforward way to support wellbeing.
If you tend to be proactive about your health, or if symptoms have not resolved with typical approaches, a short conversation with your GP or naturopath about whether testing makes sense can be a helpful next step. For many people, having a clear diagnosis provides relief, direction, and a way to take practical steps to improve their wellbeing.
References
https://pubmed.ncbi.nlm.nih.gov/11059933/ https://coeliac.org.nz/what-is-coeliac-disease/ https://bpac.org.nz/BT/2014/November/genetic-tests.aspx https://bpac.org.nz/BT/2010/March/docs/besttests_mar2010_coeliac_disease.pdf https://bpac.org.nz/2022/coeliac.aspx https://bpac.org.nz/2022/docs/coeliac.pdf Comments are closed.
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