affected by fasting. Fasting promotes the endothelial Keto Fast Diet neurotransmitter system, related to the feeling of well-being and euphoria, to produce more endorphins and, in fact, makes us "feel" better. This is similar to the effect of exercise (but without physical work). Medical experts have also observed that fasting improves physical health in many ways. For example, during fasting, the body uses the stored cholesterol (fat) that is often deposited in the blood system, as well as in other fat areas of the body.