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The USDA's first nutrition guidelines were published in 1894 by Dr. Wilbur Olin Atwater as a farmers' bulletin. [1] [2] In Atwater's 1904 publication titled Principles of Nutrition and Nutritive Value of Food, he advocated variety, proportionality and moderation; measuring calories; and an efficient, affordable diet that focused on nutrient-rich foods and less fat, sugar and starch.
The name is from "Western world" and is interchanged with "standard American diet" and "meat-sweet diet" due to the high amount of meat (total), red meats (particularly), dairy, sweets and refined cereals. [174] Subpar intake of whole grains, legumes, tree nuts, produce and seafood is the norm.
A food pyramid's tip is the smallest part, so the fats and sweets in the top of the Food Pyramid should comprise the smallest percentage of the diet. The foods at the top of the food pyramid should be eaten sparingly because they provide calories, but not much in the way of nutrition.
From market-fresh ingredients to pre-packaged convenience, the American diet undergoes drastic changes. ... By the '60s, as more women entered the workplace, the need for efficient, convenient ...
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Adelle Davis (25 February 1904 – 31 May 1974) was an American writer and nutritionist, considered "the most famous nutritionist in the early to mid-20th century." [1]: 150 She was an advocate for improved health through better nutrition.
The study found that between 1999 and 2020, the proportion of American adults with poor diet quality decreased from 48.8% to 36.7%. Those with intermediate diet quality increased from 50.6% to 61.1%.
USDA research conducted in the mid 2010s suggests that the average intake of American adults is at least 2,390 kcal (10,000 kJ) [11] per day. Researchers that used different data collection/analysis methods have predicted that the average was about 3,680 kcal (15,400 kJ) per day. [ 12 ]