All prehistoric people lived by pursuing animals and birds for their food by searching for them and killing them and also lived by bunching up of fruits, nuts, honey, and leaves that available freely in the forests. These people got foodstuffs from the water resources too like seas, rivers, lakes, and ponds. Applied nutrition got success only after the discovery of agriculture, production of food materials from the earth by their own, they started to cook by their own. There were one or two million people only all over the world at that period, but after the innovation of agriculture and plenty of production of food materials, the population started to grow gradually.
In fact, ancient people were not good in their overall health, as they gave importance to give growth to some particular type of plants in their cultivated land. This affects the totality of health due to incomplete mixture of nutrients that they survived without eating a balanced diet. Only gradually the changes happened in the farming and crop growing to give production to the balanced food materials all over the world. Sometimes they were in the condition to survive from the irregularities of nature's cycle of less rain or over raining at times that affect their life.
Generally, biologically energy is stored in the liver as fat and this fat is converted to energy when the starvation of food or when we do fasting, and so we can survive. This nature of our body only makes us live even without food for some time. The food safety in the ancient days was also a major concern and this condition continues even nowadays. When a plant is grown without applying insect killers, the security of that particular plant is less. Even over usage of insect repellants may cause 'bad' effects to the consumers. One must understand about the applied nutrition, and then only he can use the right foodstuffs to maintain his optimum health condition.
By Sasi Krishna
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