Do Human Bodies Need Fuel To Work? The Definitive Guide to Cellular Energy
                                
                                
                                •
                                
                                
                        
                                    
                                    4 min read                                
                            
                                According to the National Center for Biotechnology Information, cells require a constant supply of energy to generate and maintain the biological order that keeps them alive. So, do human bodies need fuel to work? The answer is a resounding yes, and that fuel comes directly from the food we consume.