Here you go. Dr. Boster also aims to answer questions. Look for more videos on this topic to post on his channel. He does great work and pulls no punches. -D
https://www.youtube.com/watch?v=eo_e...MHkBsIuBhiNh4Y
https://www.youtube.com/watch?v=eo_e...MHkBsIuBhiNh4Y