Nutrition definition

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Nutrition Definition and Core Concepts

Nutrition is the science and process by which living organisms, including humans, take in food, use it for growth, development, maintenance, and health, and obtain the substances in food known as nutrients Franjić2019Nakamura2021Trüeb2020+3 MORE. It involves understanding which nutrients the body needs, how foods provide these nutrients, and how the body uses them to function and stay healthy Franjić2019Trüeb2020Patel2019+2 MORE. Nutrition also considers the impact of food choices on health, including the prevention of disease and the promotion of well-being Trüeb2020Patel2019Kiani2022+2 MORE.

Essential Nutrients and Their Functions

Nutrients are divided into macronutrients (carbohydrates, proteins, fats, and water) and micronutrients (vitamins and minerals) Patel2019Kiani2022Gordiets2024+1 MORE. Macronutrients provide energy and are needed in larger amounts, while micronutrients are required in smaller quantities but are essential for various bodily functions Patel2019Kiani2022Gordiets2024+1 MORE. Foods also contain other beneficial substances, such as phytochemicals, which can promote health even though they are not classified as essential nutrients Franjić2019Kiani2022.

Nutrition, Diet, and Health

A balanced diet, which includes a variety of foods from all food groups, is necessary to provide all essential nutrients in the right proportions Franjić2019Trüeb2020Kiani2022+3 MORE. Good nutrition supports growth, development, energy production, tissue repair, and the maintenance of physiological processes Nakamura2021Trüeb2020Kiani2022+2 MORE. Poor nutrition, whether due to deficiency or excess, can lead to a range of health problems, including malnutrition, chronic diseases, and impaired physical and mental function Trüeb2020Patel2019Gordiets2024+2 MORE.

Broader Influences on Nutrition

Nutrition is not only a biological process but is also influenced by sociological, cultural, economic, and technological factors that affect food choices and availability Franjić2019Trüeb20205. The way food is obtained, processed, prepared, and consumed all play a role in nutritional status Franjić20195. Public health guidelines and ongoing research aim to help people make better food choices to improve health outcomes Neufeld2023Ghosh2016.

Conclusion

In summary, nutrition is the study and practice of how food and its components affect the health, growth, and functioning of living organisms. It encompasses the intake, digestion, absorption, and utilization of nutrients, as well as the broader social and environmental factors that influence dietary habits. Good nutrition is fundamental for maintaining health, preventing disease, and supporting optimal physical and mental performance throughout life Franjić2019Nakamura2021Trüeb2020+7 MORE.

Sources and full results

Most relevant research papers on this topic

Briefly about Nutrition

Nutrition focuses on understanding human interactions with food, focusing on a balanced diet that provides essential nutrients and other substances for optimal health.

2019·

1citation

·S. Franjić

Acta Scientific Nutritional Health·

DOI

The Birth of Nutrition and the Systematization of Learning

Nutrition is the process by which living organisms take in food, use it, grow and develop, maintain life, and lead a healthy life, with the human body's nutritional status divided into deficiency and latent deficiency, and excess and latent excess.

Literature Review

2021·

0citations

·Teiji Nakamura

Japan Nutrition·

DOI

Nutrition Basics

A diversified, balanced, and healthy diet varies based on individual needs, but a food pyramid is a good guide for a diverse, balanced diet.

Literature Review

2020·

0citations

·R. Trüeb

Nutrition for Healthy Hair·

DOI

Insights in Nutrition and Metabolism

A low-calorie diet with high starch, high fiber, and low fat is ideal for weight loss and controlling type II diabetes, while food instability is linked to higher diabetes rates.

Literature Review

2019·

0citations

·Toral P Patel

DOI

Introduction to Nutrition Planning and Economics

Nutrition is the study of how foods affect survival and health, including how people obtain, process, prepare, share, and eat food to maintain good health.

2017·

0citations

Main nutritional deficiencies

Nutritional deficiencies can lead to increased risk of diseases like cancer, diabetes, and heart disease, and can be prevented through supplementation and food-based approaches.

Literature ReviewRigorous Journal

2022·

168citations

·A. K. Kiani et al.

Journal of Preventive Medicine and Hygiene·

DOI

THE ROLE OF PROPER NUTRITION IN HUMAN LIFE

Proper nutrition is crucial for human existence, health, longevity, and efficiency, as it provides energy, builds cellular structures, and renews cells and tissues.

2024·

0citations

·O.V. Gordiets et al.

"ITSE 2024" Conference·

DOI

HUMAN HEALTH AND IMPORTANCE OF NUTRITION

A well-balanced diet rich in essential nutrients is crucial for human health, promoting growth and development, and reducing the risk of chronic illnesses.

Literature Review

2024·

2citations

·Gjylai Alija et al.

International Journal of Medical Sciences - ACTA MEDICA BALKANICA·

DOI

Advancing nutrition science to meet evolving global health needs

Nutrition science needs to evolve to address global health challenges like undernutrition and diet-related chronic diseases, while addressing nutrient deficiency and stress management.

2023·

23citations

·Lynnette M. Neufeld et al.

European Journal of Nutrition·

DOI

Nutrition and Oral Health

Nutrition and oral health have a synergistic bidirectional relationship, with nutrition affecting oral cavity integrity throughout a person's life.

Literature Review

2016·

0citations

·Abhishek Ghosh et al.

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