What are the functions of food for the human body?
                                
                                
                                •
                                
                                
                        
                                    
                                    4 min read                                
                            
                                According to the World Health Organization, a healthy diet is essential for good health and nutrition, protecting against many chronic noncommunicable diseases. Beyond this basic need for survival, the roles of food within the human body are numerous and complex, impacting everything from physical growth to psychological well-being.