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Ethanol (C 2 H 5 OH) is not an essential nutrient, but it does supply approximately 29 kilojoules (7 kilocalories) of food energy per gram. [34] For spirits (vodka, gin, rum, etc.) a standard serving in the United States is 44 millilitres ( 1 + 1 ⁄ 2 US fluid ounces), which at 40% ethanol (80 proof) would be 14 grams and 410 kJ (98 kcal).
Nutritional science (also nutrition science, sometimes short nutrition, dated trophology [1]) is the science that studies the physiological process of nutrition (primarily human nutrition), interpreting the nutrients and other substances in food in relation to maintenance, growth, reproduction, health and disease of an organism.
A healthy diet provides the body with essential nutrition: fluid, macronutrients such as protein, micronutrients such as vitamins, and adequate fibre and food energy. [2] [3] A healthy diet may contain fruits, vegetables, and whole grains, and may include little to no ultra-processed foods or sweetened beverages.
Nutrition is the biochemical and physiological process by which an organism uses food to support its life. It provides organisms with nutrients , which can be metabolized to create energy and chemical structures.
[8] [9] If a person is overweight or obese, changing to a diet and lifestyle that allows them to burn more calories than they consume may improve their overall health, [2] possibly preventing diseases that are attributed in part to weight, including heart disease and diabetes. [10] Within the past 10 years, obesity rates have increased by ...
For example, in the Philippines, improved production and market availability of iodized salt increased household consumption. [2] While most nutrition interventions are delivered directly through governments and health services, other sectors, such as agriculture, water and sanitation, and education, are vital for nutrition promotion as well. [3]
[2] Water makes up a large proportion of the total mass ingested as part of a normal diet but it does not provide any nutritional value. Ethanol provides calories but there is no requirement for ethanol as an essential nutrient. Even though macros and calories are different concepts, they are dependent on each other.
Sports nutrition is the study and practice of nutrition and diet for maintaining and improving athletic performance. Nutrition is part of many sports training regimens, being used in strength sports (such as weightlifting and bodybuilding ) and endurance sports (e.g., cycling , running , swimming , rowing ).