Question 1

What is a healthy BMI range?

Accepted Answer

A healthy BMI is between 18.5 and 24.9. Below 18.5 is underweight. Between 25-29.9 is overweight. 30 and above is obese. However, BMI is a screening tool only — it doesn't account for muscle mass, bone density, age, or ethnicity. Athletes often have high BMI despite being healthy.

Question 2

Is BMI accurate for everyone?

Accepted Answer

BMI is a useful population-level screening tool but has limitations for individuals. It overestimates body fat in muscular people (athletes) and may underestimate it in older adults who have lost muscle. It also doesn't distinguish where fat is stored — abdominal fat carries higher health risks than fat elsewhere.

Question 3

What BMI is considered obese?

Accepted Answer

A BMI of 30.0 or above is classified as obese. Obesity Class I is 30.0-34.9, Class II is 35.0-39.9, and Class III (severe obesity) is 40.0 and above. At a BMI over 30, health risks including type 2 diabetes, heart disease, and joint problems increase significantly.

Category	BMI Range
Underweight	Below 18.5
Normal weight	18.5 – 24.9
Overweight	25.0 – 29.9
Obese Class I	30.0 – 34.9
Obese Class II	35.0 – 39.9
Obese Class III	40.0+

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