Articles — KnowYourBody

3 articles

The Mifflin-St Jeor equation: how scientists calculate how many calories you need

What BMR and TDEE actually mean, how the most accurate calorie formula works, and how to use the numbers to reach your goal.

6 min read Read →

How much water should you drink every day?

The real answer depends on your weight, activity level, and climate — not the one-size-fits-all "eight glasses" rule.

5 min read Read →

What does your BMI actually mean?

BMI is one of the most used — and most misunderstood — health numbers. Here's what it measures, what it misses, and how to put your result in context.

4 min read Read →

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