Food Ideas Food, Water, Clothing and Shelter are our basic Life Needs. Food may be given the "first among equals status" considering the key role of food for our survival and wellbeing and it's all round importance in the modern times In primitive times the food of nomadic people who lived by hunting and cattle rearing, was meat and milk based. Protein and fat of these foods were the main sources of their body health and energy. As per the National Geographic article - The Development of Agriculture, "The development of agriculture about 12,000 years ago changed the way humans lived. They switched from nomadic hunter-gatherer lifestyles to permanent settlements and farming." Their food then included starch-rich cereals such as wheat, rice, and corn. Food Nutrients Knowing that six basic nutrients of Foods are carbohydrates, proteins, fats, vitamins, minerals, and water; may be 'Nutrition 101' to most of us ( exception - growing up kids and teen