---
title: "4 John Cannell, MD Quotes"
description: "John Cannell, MD has 4 quotes on SMS4Smile. Browse their most insightful sayings."
image: "https://sms4smile.com/quotes/i/a20/john-cannell-md-73997_health-and-fitness_it-now-appears-most-of-us-need-about-5-0_618459.jpg"
---

# John Cannell, MD

 **4** quotes in **20** categories

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##  Quotes by John Cannell, MD

> [“It now appears most of us need about 5,000 units a day if we avoid the sun. The government was off by…](https://sms4smile.com/quotes/john-cannell-md/it-now-appears-most-of-us-need-about-5-000-units-a-day-if-we-avoid/)

[John Cannell, MD](https://sms4smile.com/quotes/author/john-cannell-md/)

[Health and fitness](https://sms4smile.com/quotes/about/health-and-fitness/)

[Image](https://sms4smile.com/quotes/i/a20/john-cannell-md-73997_health-and-fitness_it-now-appears-most-of-us-need-about-5-0_618459.jpg)

> [“The choice is yours: trust the government or trust Mother Nature.”](https://sms4smile.com/quotes/john-cannell-md/the-choice-is-yours-trust-the-government-or-trust-mother-nature/)

[John Cannell, MD](https://sms4smile.com/quotes/author/john-cannell-md/)

[Choice](https://sms4smile.com/quotes/about/choice/)

[Image](https://sms4smile.com/quotes/i/536/john-cannell-md-73997_choice_the-choice-is-yours-trust-the-government_1953089.jpg)

> [“50,000-63,000 individuals in the United States and 19,000-25,000 in the UK die prematurely from cancer annually due to insufficient vitamin D.”](https://sms4smile.com/quotes/john-cannell-md/50-000-63-000-individuals-in-the-united-states-and-19-000-25-000-in/)

[John Cannell, MD](https://sms4smile.com/quotes/author/john-cannell-md/)

[Cancer](https://sms4smile.com/quotes/about/cancer/)

[Image](https://sms4smile.com/quotes/i/808/john-cannell-md-73997_cancer_50-000-63-000-individuals-in-the-united_2609631.jpg)

> [“More than three fourths of all Americans are vitamin D-deficient.”](https://sms4smile.com/quotes/john-cannell-md/more-than-three-fourths-of-all-americans-are-vitamin-d-deficient/)

[John Cannell, MD](https://sms4smile.com/quotes/author/john-cannell-md/)

[Americans](https://sms4smile.com/quotes/about/americans/)

[Image](https://sms4smile.com/quotes/i/2fc/john-cannell-md-73997_americans_more-than-three-fourths-of-all-americans_3055903.jpg)

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