This is such a great loss.
His mother died at 77 from a flu shot.

http://www.hugginsappliedhealing.com/

Dr. Hal Huggins passed away peacefully at his Colorado Springs home Saturday, November 29, 2014. He was 77. Dr. Huggins rightfully earned the title of “Elder Statesman” of Holistic Dentistry. He is also known as a leading pioneer and the “Grand Father” of identifying and treating medical problems caused by toxic dental materials.