EP2: The majority of Americans today get over 50% of their calories from highly processed, engineered fast food. The mere thought of that should make us a little queasy. Even though many of us are educated enough to know how this can affect our physical health, few understand how much it can also damage our mental health. For some reason, as humans we don’t often make the logical connection that whatever goes in the proverbial “pie-hole” either fuels or degrades our grey matter upstairs.