Evidence-based health guides
Health & BMI Blog
Practical, evidence-based articles on BMI, healthy weight, nutrition, and body composition — written for general audiences and citing peer-reviewed sources.
Waist Circumference and Health: Why It Matters Beyond Weight
Waist circumference reflects dangerous visceral fat more accurately than BMI alone. Learn how to measure your waist correctly and what the WHO risk thresholds mean for your health.
Understanding Your BMR: Why Resting Metabolism Matters
Your Basal Metabolic Rate is the foundation of every calorie calculation. Learn what determines your BMR, how to estimate it, and why it matters for sustainable weight management.
How Fast Should You Lose Weight? What Science Recommends
Losing weight too fast leads to muscle loss and rapid regain. Learn the evidence-based rate of weight loss recommended by the NHS and WHO, and how to apply it in practice.
BMI and Type 2 Diabetes: Understanding the Link
Obesity is the strongest modifiable risk factor for type 2 diabetes. Learn how excess fat causes insulin resistance, at what BMI risk rises sharply, and how weight loss can prevent or delay diabetes.
BMI and Heart Disease: What the Evidence Shows
Excess weight strains the heart and raises cardiovascular disease risk. Explore the evidence linking BMI to heart disease, why abdominal fat is particularly dangerous, and what even modest weight loss can do.
Is BMI Accurate? Limitations and Alternatives
BMI is a useful population tool but misclassifies many individuals. Explore its limitations — muscle mass, ethnicity, age — and the best alternatives to use alongside it.
How to Lower Your BMI: Evidence-Based Strategies
Reduce your BMI safely with evidence-based strategies including calorie deficits, resistance training, better sleep, and smart dietary choices — without crash dieting.
How BMI Changes with Age: What You Need to Know
Standard BMI thresholds were designed for adults aged 18–65. Find out how age affects body composition, what BMI means at different life stages, and why children need different charts.
BMI for Men: Understanding Your Weight Category
Men tend to store fat abdominally, which raises cardiovascular risk. Learn how BMI applies to men, the muscle mass caveat, and how to build a fuller health picture.
BMI for Women: What the Numbers Really Mean
The BMI formula is the same for men and women, but health implications differ. Discover how hormones, life stage, and fat distribution affect what your BMI means.
BMI vs Body Fat Percentage: Key Differences Explained
BMI and body fat percentage both assess weight-related health risk but measure different things. Understand when each metric is useful and which to prioritise.
What Is a Healthy BMI? A Complete Guide
Learn what a healthy BMI means, how it is calculated, what the WHO categories indicate, and when to speak to a doctor about your weight.
About these articles
All articles on BMI Checks are written to inform, not to replace professional medical advice. Content is based on publicly available research and guidance from organisations including the World Health Organization, NHS, CDC, and peer-reviewed journals. References are listed at the end of each article.
BMI and related health metrics are population-level screening tools. Individual circumstances vary. Always consult a qualified healthcare provider for personal health decisions.