Education, Video Insulin Resistance: Friend or Foe? – Ric Grummer, PhD. Insulin Resistance: Friend or Foe? Dr. Grummer presented at the recent Cornell Nutrition Conference breakfast. Share this page Share on FacebookShare on Facebook Share on XShare on X Share on LinkedInShare on LinkedIn Post navigationPreviousPrevious post:ReaShure The Movie – German VersionNextNext post:The Power of Protection – Encapsulated Nutrients