April 7, Cotnrol Craving unhealthy foods is common, especially if you're on a diet. Yogurt, Greek, Plain, Lowfat. Type to search. Food cravings Speed up metabolism an intense desire cravimgs eat certain fpr that seems to hit Speed up metabolism unhealhhy out of dezserts blue. Matcha green tea for concentration why do we get them? Are they simply a sign of poor self-control or is there a physiological reason behind these food longings? Q: Why do we get certain food cravings? Food cravings may be linked to imbalances within our bodies, such as a dip in blood sugar levels, changes in hormones, stress, poor hydration, or even the external environment.