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Medical References & Trusted Sources
- World Health Organization (WHO) - Global authority on obesity classification and health standards. Our BMI categories follow WHO guidelines established in 1993.
- Centers for Disease Control and Prevention (CDC) - Leading U.S. public health agency providing evidence-based guidelines for weight assessment and health promotion.
- National Institutes of Health (NIH) - Primary U.S. agency for biomedical research, providing comprehensive health information and clinical guidelines.
- Mayo Clinic - World-renowned medical institution providing patient-centered health information and evidence-based medical guidance.