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Index/Organizations/North American Numbering Plan

North American Numbering Plan

Integrated telephone numbering plan serving 20 North American countries which share its resources

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Dec 20, 2025
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What is the Functional Diagnostic Nutrition (FDN) certification and how is it regulated?

Functional Diagnostic Nutrition (FDN) is a private, for‑profit training and certification program that teaches health coaches and allied wellness professionals to interpret “functional” lab tests and ...