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HbA1c is one of medicine's most widely used blood tests, yet most people misunderstand what it actually measures. This article explains how the test works, why a normal result isn't the same as a clean bill of health, and how to use it to track your metabolic future.

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We teach children to change a fuse. We teach them to check the oil, to put air in a tyre, to find the stopcock before the pipe bursts rather than after. Many of us learned to put out a chip pan fire and quite a few learned to restart a heart.

The lighthouse series teaches people about the 4 pillars that support healthspan.

A man whose heart gave out at forty-two had three pillars in excellent order — and one that nobody had ever looked at.

The 1st case history in the Lighthouse series - the blog includes an interactive tool which allows the reader to rewrite history and get familiar with the 4 pillars that support healthspan. Once empowered, the reader can test their own and share it with their own doctor!

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A gym and a personal trainer may be the gold standard, if you can keep them up. For the great majority who cannot — the person writing this included — here is the twenty-minute version that does most of the work.

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Most adults have never had their cholesterol properly tested — yet a simple blood panel can reveal silent heart disease risk years before any symptoms appear. This guide explains exactly what to test, how to get it done, and what your results actually mean for your long-term heart health.

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Two people can share the same weight and BMI yet have completely different risks of heart attack and type 2 diabetes. The difference is often visceral fat — the hidden fat wrapped around your organs. This article explains what it does, why scales miss it, and how to reduce it.

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Waist circumference predicts cardiometabolic risk better than weight or BMI — but only when measured at a fixed anatomical landmark: the midpoint between your lowest rib and the top of your hip bone. Measuring at the “narrowest point” flatters the number and hides the risk.

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