Health Knowledge Centre

Evidence-based health guides sourced from the Australian Government, WHO and other authoritative bodies — written in plain language to help you understand your health.

Australian Govt HealthWHOHeart Foundation AustraliaCDCNHMRC

Health Tracking

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Understanding and tracking BMI, weight, blood pressure and other health metrics

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2026-09-25· 7 min read

BMI: What It Means and What It Does Not Tell You

BMI (Body Mass Index) = weight (kg) ÷ height² (m²). It is a population-level screening tool for weight status in adults, not a substitute for a comprehensive health assessment.

BMI is a widely used screening measure for weight status, but it does not directly measure body fat and should not be used alone to assess individual health. This article explains how BMI is calculated, what the categories mean, and its important limitations.

AU GovtWHO

Lab Results

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Detailed guides to blood tests, lipid panels, glucose tests and other lab results

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2026-09-25· 8 min read

Understanding Blood Sugar Tests: Fasting Glucose and HbA1c

Fasting blood glucose reflects your blood sugar at a single point in time; HbA1c reflects your average blood sugar over the past 2–3 months. Together they are key tools for assessing and managing diabetes risk.

What do fasting blood glucose and HbA1c mean on your checkup report? This article explains both tests in plain language — what they measure, what the reference ranges are, and how to make sense of an elevated result.

AU GovtWHO

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2026-09-25· 9 min read

Understanding Cholesterol Test Results: LDL, HDL, Total Cholesterol and Triglycerides

A cholesterol test (lipid panel) typically measures total cholesterol, LDL (low-density lipoprotein), HDL (high-density lipoprotein), and triglycerides. These values are meaningful only when interpreted alongside your individual cardiovascular risk factors.

What do LDL, HDL, total cholesterol, and triglycerides mean on your cholesterol test? This article explains each measurement in plain language, what the reference ranges are, and why the numbers need to be interpreted in context.

AU GovtWHO

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