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

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

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How much Vitamin D do you suggest for a child?

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Are organic soy product dangerous to our hormonal balance and health?

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What do you recommend for CFS?

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What is the holy grail of behavior change for health?

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Lifestyle as medicine: do we really know enough?

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