Is There a Correlation Between High Intelligence and Confirmation Bias?

There's a correlation between high ic and confirmation bias. You can prove to yourself very quickly that you can lose weight by drinking nothing but sugar water, which is arguably one of the worst things you can have. We're not good at estimating how much we eat. Dont live in a metabolic lab or kitchen where they'd know every calory and every morsel of food that you're eating. Even if people are weighing their food and eating it, it's going to be off by x %.