https://www.youtube.com/watch?v=5zk9zqn9ICU 1 hour
Slides of vitamin D information with voice-over
Apparently much of it was from his recent book
optimal health research Dr. Alex Vasquez
I found it very interesting to have all that information in one video.
Brings a lot of stuff I knew about together in one place so you get a better overall view.
Hope people take the time to follow it through.