Have checked some of the body builders BODY MASS INDEX (BMI) which is pretty unhealthy as they are more than 25. Does this mean they are unhealthy??
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Body mass index is just calculated based on height and weight. It doesn’t – and can’t – account for the difference between muscle and fat, so a 5’10” person who works out constantly, has big muscles, and weighs 200 lbs will have the same BMI as a 5’10” person who never works out, eats pure junk food, and weighs 200 lbs due to lots of excess fat.
BMI can be kind of helpful as a quick metric for “average” people but if you’re very muscular (for example) it’s not helpful because it doesn’t know the difference between weight from muscle and weight from fat.
It’s a very simple “quick picture” type of metric but to know if someone’s healthy or not you need more than just two data points.
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