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Health & Medical Insights
Stay up to date with the latest laboratory clinical guides, genotype facts, and blood testing insights written by our medical testing experts.
5 min read
Vitamin D Deficiency: Symptoms, Risks, and UK Guidelines
Vitamin D deficiency is common in the UK, especially in winter. Learn the symptoms, who is at risk, NHS supplement advice (10 micrograms daily October to March), reference ranges and how to get tested.
5 min read
How to Read an ECG: A Simple Guide to Understanding Your Heart's Electrical Activity
Learn how to read an ECG in simple steps. We explain the P wave, QRS complex, T wave, PR and QT intervals, axis and heart rate, with normal ranges, red flags and common findings.