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

What can i do if my child is overweight?

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Is butter really “back”?

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What do you think of PSA testing for prostate cancer?

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What kind of supplements can prevent anxiety?

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What kind of impact on people’s behaviours do you expect from new technologies allowing for the monitoring of our lifestyles?

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Did Ancel Keys “cherry pick” countries for the Seven Countries Study, or “fudge” the presentation of data?

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