What would be the best YouTube videos to recommend to the wider public that would be digestible to a range of age groups and levels of understanding?
Anything by Jason Fung is going to be understood by most. The guy is the master of analogies in this field.
A new talk about Virta by Dr Stephen Phinney covering a lot of the science. Dr. Stephen Phinney - 'Reversing Type 2 Diabetes with the Virta Treatment: From Bench to Patient'
I agree with all of the above recommendations - they are great for keeping us informed and motivated. I've just been ploughing through the Tim Noakes Trial (apart from the infant feeding bits) and have found these clips very interesting and informative.