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

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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Are we cuckoo about cooking oils?

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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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What is the single most overrated health (or “healthy”) food going round, and why?

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