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Underweight: BMI less than 18.5 - May indicate malnutrition, eating disorders, or other health conditions
Normal weight: BMI 18.5-24.9 - Associated with lowest risk of weight-related health problems
Overweight: BMI 25-29.9 - Increased risk of developing health complications
Obese Class I: BMI 30-34.9 - Significantly increased health risks
Obese Class II: BMI 35-39.9 - Severely increased health risks
Obese Class III: BMI 40 or greater - Extremely high health risks

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