If you eat too many calories, you will get fat. Sugar, regardless of the form, is energy. Refined from corn, or eaten straight, if you don't use that energy your body is going to store a healthy portion of it.
Sugars you get from two different plants aren't going to be identical. :| There's always going to be a variant.
I'm glad someone tested mercury levels, but I'm disappointed that you're trying to use one vat from one manufacturer as proof that every vat from every manufacturer does. I'm also disappointed that they resulted to fraud in obtaining their sample. Says a lot about the class of scientist.
Independent doesn't necessarily mean right or wrong by any any stretch of the imagination. Just that they're different.
HCFS is what it is; a different way to process sugar, and process it into state different than actual sugars. No ****, sherlock.