To a general audience that has little basis for evaluating its claims, the book will be misleading.
The choice is yours.
It's a big world out there.
As for 46….
The FICO score measures how much debt you currently have and how well you are paying it off.
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Here are 2 studies on the subject, and the original work behind fructose.
I love that you shared this list.
If it's really bad, you can do what's best for you.