Body Metrics

Fasting, post-meal, random, and HbA1c blood sugar tests each measure something different. Here is the complete normal-vs-prediabetic-vs-diabetic chart for all four.

A BMI of 25 is "overweight" for a Western adult, but research shows South Asians carry significantly more body fat at the same BMI — and face higher metabolic risk. The WHO recognises lower BMI thresholds for Asians. Here is what the research says and why it matters.

Body fat percentage is a more accurate measure of health than BMI. But how is it calculated, what is a healthy range for men and women, and which measurement method is most accessible? This guide covers everything.

The BMI scale classifies weight from underweight to obese — but what counts as healthy varies by age and sex. This guide explains the WHO chart, what your number actually means, and the well-documented limitations of BMI as a health measure.

The answer to "how many calories per day" is not the same for everyone. Your TDEE — Total Daily Energy Expenditure — depends on your weight, height, age, sex, and activity level. Here is the exact formula and tables by goal.