The title says "corn syrup" but the article is entirely about high fructose corn syrup, which is different. Corn syrup is mostly glucose. HFCS is when you use

The title says "corn syrup" but the article is entirely about high fructose corn syrup, which is different. Corn syrup is mostly glucose. HFCS is when you use enzymes to convert a lot of that glucose into fructose.