No Caffeine for Me! Today, I began upon a 30-day experiment to reduce my cortisol levels by removing coffee from my diet. The goal is to see how it might be affecting my cognitive function and my belly fat. Cortisol is a hormone that is related to stress . At a very basic level, cortisol is created as a response to stressors in our environment. Back when we were still chucking spears at deer and chasing down antelope, cortisol was helping to preserve our lives by giving us quick energy by signalling to our livers that it was time to engage in a process known as gluconeogenesis. This process is basically the breakdown of amino acids, the building blocks of protein, into glucose - one of the two monosaccharides (the healthy one) that our bodies use for fuel. Picture this - you're walking across the street, enjoying the day, when suddenly some inattentive driver tries to turn and doesn't see you. Your heart rate speeds up, and you get a little burst of speed to quickly sprint o