- a BMI under 18.5 is classed as "underweight"
- 18.5 to 24.9 is "healthy", and
- over 25 is "overweight" or "obese".
Loading Instagram content
"We've got to start using a battery of different tests to assess a person's overall health."
Get the latest health news and information from across the ABC.
Your information is being handled in accordance with the ABC Privacy Collection Statement.