Dr. Katz answers your health and nutrition questions in these 2-minute videos from Vidoyen:

I have Crohn’s disease – should I take supplements?

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how much vitamin D should a normal adult take on a daily basis?

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Why do we need a True Health Coalition?

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ABE FOR FITNESS

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Why Immunization Makes Sense

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How can we reduce our lifetime risk of ALL major chronic disease by 80%?

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