blood sugar vs corn sugar

blood sugar

noun
  • Glucose in the blood. 

  • The amount of glucose in a person's blood. 

corn sugar

noun
  • A deceptive term for high fructose corn syrup developed by corn refiners meant to imply sugar 

  • Dextrose, especially originating from corn starch 

How often have the words blood sugar and corn sugar occurred in a corpus of books? (source: Google Ngram Viewer )