BMI Categories and What They Mean for Your Health
Explore the different BMI categories, their health implications, and what each range means for your overall wellness and disease risk.
The Four Main BMI Categories
BMI is divided into four primary categories: Underweight (below 18.5), Normal weight (18.5-24.9), Overweight (25-29.9), and Obese (30 and above). Each category is associated with different health risk profiles and recommendations.
Underweight (BMI < 18.5)
Being underweight can indicate malnutrition, eating disorders, or underlying health conditions. Risks include weakened immune system, osteoporosis, anemia, and fertility issues. If you're underweight, consult a healthcare provider to identify potential causes and develop a healthy weight gain plan.
Normal Weight (BMI 18.5-24.9)
This range is associated with the lowest risk of weight-related health problems. People in this category typically have lower risks of heart disease, diabetes, and other chronic conditions. Maintaining this range through balanced diet and regular exercise is ideal for most adults.
Overweight (BMI 25-29.9)
Being overweight increases the risk of developing type 2 diabetes, high blood pressure, heart disease, and sleep apnea. However, the health impact can vary based on where excess weight is carried and individual factors like muscle mass and overall fitness level.
Obesity (BMI ≥ 30)
Obesity significantly increases the risk of serious health conditions including heart disease, stroke, type 2 diabetes, certain cancers, and sleep apnea. The obesity category is further divided into Class I (30-34.9), Class II (35-39.9), and Class III (40+), with health risks increasing at higher levels.