This is a video from a live stream that was almost 3 hours long. The good news is that you can just watch the first few minutes to get a feel for what's in it and then choose to watch the whole thing or move on. Great info from actual doctors that know what they are talking about.
https://www.youtube.com/watch?v=aX_Q1FaY9pI
The first 14 minutes will be enough for most people, but it is all very educational.