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

How Disease Proof Can We Be?

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Should we really avoid eating red meat?

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Do sun screens prevent or disadvantage Vitamin D uptake in any way?

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Should the ‘Dietary Guidelines for Americans’ be called something else?

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Does food ever cross the line into addiction?

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Is Nudge Theory effective in health behaviour change (beyond Gov policies that ban e.g. smoking)?

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