Dr. Katz answers your health and nutrition questions in these 2-minute videos from Vidoyen:
Should we really avoid eating red meat?
View Video
Do sun screens prevent or disadvantage Vitamin D uptake in any way?
View Video
Are we cuckoo about cooking oils?
View Video
Does food ever cross the line into addiction?
View Video
Is Nudge Theory effective in health behaviour change (beyond Gov policies that ban e.g. smoking)?
View Video