I love to eat my share of junk food, chocolate chip cookies, potato chips, Cheez-its, pizza, and licorice. If I had to pay a 10% or 20% tax purchasing that kind of food, it would motivate me to pass by on those items when shopping.
If I just cut out the above from my diet, I lose one pound per day. I was up around 226, and now I am hanging around 201 pounds. I tend to plateau at 201, with it virtually impossible to get below 200. I have to starve myself to fall below 200 pounds.
In regard to SNAP dollars spent, I agree completely.