Nutrients fuel the body and brain's energy needs. This fuel allows humans to function and flourish—to breathe, to speak, to play, to learn, and to reproduce. Humans evolved under very different circumstances than today; sustenance was often in short supply, and it was advantageous to snatch up sugars and fats that could provide a boost of energy. These evolutionary roots are at odds with the modern world, in which food is, in many places, overabundant. Cravings can be difficult to control. ...
