Results for "fiber"
Dietary Fiber
Dietary fiber is the plant‑derived portion of food that resists complete digestion by human enzymes and confers multiple health benefits.
Health & MedicineNutrition Encyclopedia Entry 1777119244
Nutrition is the process by which organisms obtain and utilize food to sustain life, growth, and maintenance of bodily functions. ## Overview Nutrition is a vital aspect of human health, encompassing the intake and utilization of nutrients from food to support growth, maintenance, and repair of body tissues. Adequate nutrition is essential for the proper functioning of bodily systems, including the nervous, circulatory, and digestive systems. A well-balanced diet provides the necessary energy, vitamins, and minerals for optimal physical and mental performance. Poor nutrition, on the other hand, can lead to various health problems, including obesity, malnutrition, and chronic diseases such as heart disease, diabetes, and certain cancers. Nutrition involves the consumption of macronutrients (carbohydrates, proteins, and fats) and micronutrients (vitamins and minerals) from various food sources, including fruits, vegetables, whole grains, lean proteins, and healthy fats. The human body requires a delicate balance of these nutrients to maintain optimal health. A diet that is deficient in essential nutrients can lead to malnutrition, which can cause a range of health problems, including weakened immune systems, fatigue, and impaired cognitive function. ## History/Background The concept of nutrition dates back to ancient civilizations, where people recognized the importance of food for survival and health. The ancient Greeks and Romans believed that a balanced diet was essential for maintaining good health, and they developed various theories about the role of food in the body. In the 18th and 19th centuries, scientists such as Antoine Lavoisier and Justus von Liebig made significant contributions to the understanding of nutrition, identifying the role of oxygen, nitrogen, and other elements in the human body. In the early 20th century, the discovery of vitamins and minerals revolutionized the field of nutrition. Scientists such as Elmer McCollum and Edward Mellanby identified the essential nutrients required for human health, including vitamin A, vitamin D, and iron. The development of nutritional science continued to advance in the mid-20th century, with the discovery of the importance of fiber, antioxidants, and other nutrients. ## Key Information Nutrition is a complex process that involves the intake, digestion, absorption, and utilization of nutrients from food. The process begins with the consumption of food, which is then broken down into smaller molecules through digestion. The nutrients are then absorbed into the bloodstream, where they are transported to various tissues and organs throughout the body. A well-balanced diet provides the necessary nutrients for optimal health. The recommended daily intake of macronutrients includes: * Carbohydrates: 45-65% of total energy intake * Protein: 10-35% of total energy intake * Fats: 20-35% of total energy intake The recommended daily intake of micronutrients includes: * Vitamin A: 700-900 μg/day * Vitamin D: 600-800 IU/day * Calcium: 1,000-1,200 mg/day * Iron: 8-18 mg/day ## Significance Nutrition plays a critical role in maintaining optimal health and preventing chronic diseases. A well-balanced diet can help to: * Maintain a healthy weight * Support immune function * Reduce the risk of chronic diseases such as heart disease, diabetes, and certain cancers * Support cognitive function and mental health INFOBOX: - Name: Nutrition - Type: Scientific field - Date: Ancient civilizations (3000 BCE) - Location: Global - Known For: Understanding the role of food in human health TAGS: Nutrition, diet, health, wellness, macronutrients, micronutrients, vitamins, minerals, carbohydrates, proteins, fats, fiber, antioxidants.
Health & MedicineNutrition Encyclopedia Entry 1777276145
Nutrition is the science of how the body uses food to sustain life, growth, and maintenance, encompassing the study of dietary needs, nutrient interactions, and the impact of food on health. ## Overview Nutrition is a vital aspect of human health, encompassing the study of how the body uses food to sustain life, growth, and maintenance. It involves the analysis of dietary needs, nutrient interactions, and the impact of food on health. Nutrition is a complex field that involves the study of macronutrients (carbohydrates, proteins, and fats), micronutrients (vitamins and minerals), and other essential nutrients. A well-balanced diet provides the body with the necessary fuel to function properly, supporting growth, maintenance, and overall health. Nutrition plays a critical role in preventing and managing various health conditions, including obesity, diabetes, heart disease, and certain types of cancer. A diet rich in whole foods, fruits, vegetables, whole grains, and lean proteins can help mitigate the risk of chronic diseases. Conversely, a diet high in processed and sugary foods can lead to nutrient deficiencies and increased risk of health problems. ## History/Background The study of nutrition dates back to ancient civilizations, where people recognized the importance of food in maintaining health and well-being. The concept of nutrition as a scientific field, however, began to take shape in the late 19th century with the work of scientists such as Jean-Baptiste Dumas and Justus von Liebig. Dumas discovered the importance of nitrogen in plant growth, while von Liebig identified the role of nitrogen in animal nutrition. In the early 20th century, the discovery of vitamins by Elmer McCollum and Frederick Hopkins marked a significant milestone in the field of nutrition. The identification of vitamins A, B, C, D, E, and K paved the way for a deeper understanding of the role of micronutrients in human health. The development of the Recommended Dietary Allowance (RDA) in the 1940s provided a framework for determining the nutritional needs of individuals. ## Key Information ### Macronutrients * **Carbohydrates**: Provide energy for the body, found in grains, fruits, and vegetables. * **Proteins**: Essential for growth and repair, found in animal products, legumes, and nuts. * **Fats**: Provide energy and support the absorption of vitamins, found in animal products, nuts, and seeds. ### Micronutrients * **Vitamins**: Essential for various bodily functions, including energy production, immune function, and bone health. * **Minerals**: Crucial for maintaining healthy bones, muscles, and nerve function. ### Other Essential Nutrients * **Fiber**: Important for digestive health and satiety. * **Water**: Essential for hydration and maintaining bodily functions. ## Significance Nutrition plays a critical role in maintaining overall health and preventing chronic diseases. A well-balanced diet can help mitigate the risk of obesity, diabetes, heart disease, and certain types of cancer. Nutrition also impacts mental health, with a diet rich in whole foods and omega-3 fatty acids supporting brain health and reducing the risk of depression. INFOBOX: - Name: Nutrition - Type: Scientific field - Date: Ancient civilizations to present day - Location: Global - Known For: Understanding the role of food in maintaining health and preventing chronic diseases TAGS: Nutrition, diet, health, wellness, macronutrients, micronutrients, vitamins, minerals, fiber, water, chronic diseases, obesity, diabetes, heart disease, cancer, mental health.
Health & MedicineNutrition Encyclopedia Entry 1781106928
Nutrition is the study of the relationship between diet and health, encompassing the intake of nutrients, their functions, and the impact on overall well-being.
Health & MedicineNutrition Encyclopedia Entry 1778520965
** Nutrition is the process by which organisms obtain and utilize nutrients from their environment to sustain life, growth, and maintenance of bodily functions. **CONTENT:** ### Overview Nutrition is a vital aspect of human health and well-being. It encompasses the intake of essential nutrients, such as carbohydrates, proteins, fats, vitamins, and minerals, which are necessary for the proper functioning of the body. Adequate nutrition is crucial for growth, development, and maintenance of bodily functions, including energy production, tissue repair, and immune system function. A well-balanced diet provides the necessary building blocks for optimal health, while a poor diet can lead to various health problems, including obesity, malnutrition, and chronic diseases. Nutrition is a complex process that involves the interaction of multiple factors, including genetic predisposition, environmental influences, and lifestyle choices. It is influenced by various factors, such as age, sex, body size, and physical activity level, which can affect nutrient requirements and utilization. A comprehensive understanding of nutrition is essential for making informed decisions about food choices, meal planning, and overall health. ### History/Background The concept of nutrition dates back to ancient civilizations, where people recognized the importance of food for survival and health. The Greek physician Hippocrates (460-370 BCE) is often credited with being the first to emphasize the importance of diet in maintaining health. In the 19th century, the discovery of vitamins and minerals marked a significant milestone in the understanding of nutrition. The development of modern nutrition science in the early 20th century led to a greater understanding of the role of nutrients in maintaining health and preventing disease. Key dates in the history of nutrition include: * 1906: The discovery of vitamins by Elmer McCollum and Frederick Hopkins * 1912: The discovery of the first vitamin, thiamine (Vitamin B1) * 1920s: The development of the first nutritional guidelines for humans * 1940s: The discovery of essential fatty acids and their role in human health ### Key Information Nutrition is a multifaceted field that encompasses various aspects, including: * **Macronutrients**: carbohydrates, proteins, and fats, which provide energy and support growth and maintenance of bodily functions * **Micronutrients**: vitamins and minerals, which play critical roles in maintaining health and preventing disease * **Water**: essential for maintaining fluid balance and supporting bodily functions * **Fiber**: important for maintaining digestive health and preventing chronic diseases * **Nutrient-dense foods**: foods that provide essential nutrients while being low in calories and added sugars A well-balanced diet should include a variety of nutrient-dense foods from all food groups, including: * Fruits and vegetables * Whole grains * Lean proteins * Healthy fats * Dairy products ### Significance Nutrition plays a critical role in maintaining health and preventing disease. A well-balanced diet can help: * **Prevent chronic diseases**: such as heart disease, diabetes, and certain types of cancer * **Maintain healthy weight**: by promoting satiety and supporting weight loss * **Support immune function**: by providing essential nutrients for immune system function * **Promote mental health**: by supporting brain function and reducing the risk of mental health disorders INFOBOX: - **Name:** Nutrition - **Type:** Biological process - **Date:** Ancient civilizations (460-370 BCE) - **Location:** Global - **Known For:** Providing essential nutrients for growth, maintenance, and prevention of disease TAGS: Nutrition, health, wellness, diet, macronutrients, micronutrients, water, fiber, nutrient-dense foods, chronic diseases, weight management, immune function, mental health.
Health & MedicineNutrition Encyclopedia Entry 1779403639
Nutrition is the process by which living organisms obtain and utilize food for energy, growth, and maintenance of bodily functions.