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Dietary management is not usually subject to professional regulation, although voluntary certification is preferred by many employers. In Canada, dietary managers with recognized training in areas such as diet therapy, menu planning, food safety and food production may become members of the Canadian Society of Nutrition Management. [3]
The terms "healthy diet" and "diet for weight management" (dieting) are often related, as the two promote healthy weight management. [ 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 ...
A healthy diet may contain fruits, vegetables, and whole grains, and may include little to no ultra-processed foods or sweetened beverages. The requirements for a healthy diet can be met from a variety of plant-based and animal-based foods, although additional sources of vitamin B12 are needed for those following a vegan diet. [4]
A desire to lose weight is a common motivation to change dietary habits, as is a desire to maintain an existing weight. Many weight loss diets are considered by some to entail varying degrees of health risk, and some are not widely considered to be effective.
Dieting is the practice of eating food in a regulated way to decrease, maintain, or increase body weight, or to prevent and treat diseases such as diabetes and obesity.As weight loss depends on calorie intake, different kinds of calorie-reduced diets, such as those emphasising particular macronutrients (low-fat, low-carbohydrate, etc.), have been shown to be no more effective than one another.
The Recommended Dietary Allowances (RDAs) are scientifically determined levels of essential nutrient intake, deemed sufficient by the Food and Nutrition Board to meet the nutritional needs of nearly all healthy individuals. The first RDAs were published in 1943, during World War II, with the aim of setting standards for optimal nutrition. The ...
The Dietary Guidelines for Americans have been criticized for recommending a diet that contains less than 2.3 grams of sodium (5.8 grams of salt/day). Notably, 95% of the world's populations have a mean intake of salt that is between 6g and 12g daily and evidence on the health effects of salt does not support such a severe restriction on salt ...
A low-carbohydrate diet can have the added benefits of blood sugar control in those with Type 2 Diabetes Mellitus. [12] A low-carbohydrate diet can also improve weight loss, HDL, and cholesterol in certain individuals. [35] Compared to a typical diet, low-carbohydrate, low-fat, and moderate macronutrient diets can all positively impact weight ...