Dr. David C. Page, Sr. | Substack

Dr. David C. Page, Sr.

@drdavidcpagesr

SmilePage® Health Institute, 501(c)(3) Dr. David C. Page, Sr. SmilePage® Corporation www.SmilePage.com (1998), Author: Your Jaws~Your Life (2003) www.VDDKills.com (2017), Author: The Global Pandemic of VDD: King of ALL Silent Killers (2018)

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By Dr. David C. Page, Sr.

Global Pandemic of Vitamin D Deficiency (VDD)

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