Every living species need to consume nutrients to create energy via which it can survive. We, the human species, generally eat 3 square meals a day. We make sure we plan our meal so as to ensure necessary supplements of vitamins, minerals and proteins. With advances in agriculture, We have enough flexibility to carefully plan our meals.
Food is an essential part of our being. Nature can provide to everyone unfortunately we fellow humans cannot. Everyday scores of people die due to hunger and malnutrition in the age where we are commissioning missions conquering frontiers of space.