| | Diet & Nutrition | Fad Diets How much junk food is necessary for a helthy body? Junk food provides no nutritional value and is considered unhealthy for the body. Therefore, the answer is NONE. Fad Diets - Related Articles Do you have gluten in them? What Makes a Food Alkaline? Liquid Diet Instructions The Danish Diet How to Compare Fad Diets Three-Day Soup Diet Detox Your Body & Lose 5 Pounds