|Diet is certain amount of food feed on by a person to reduce weight or due to avoid contraindications occurs. Proper dietary management helps to maintain body fit. Healthy nutrition needs digestion and assimilation of vitamins, food energy and minerals in the form of carbohydrates, proteins and fats. Quality of life depends on the dietary habits. Scholarly peer review is the process of subjecting an author's scholarly work, research, or ideas to the scrutiny of others who are experts in the same field, before a paper describing this work is published in a journal. The work may be accepted, considered acceptable with revisions, or rejected. Peer review requires a community of experts in a given (narrowly defined) field, who are qualified and able to perform reasonably impartial review.