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The blood type diets are fad diets [1] advocated by several authors, the most prominent of whom is Peter J. D'Adamo. [2] These diets are based on the notion that blood type, according to the ABO blood group system, is the most important factor in determining a healthy diet, and each author recommends a distinct diet for each blood type.
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.
The Stigler diet is an optimization problem named for George Stigler, a 1982 Nobel laureate in economics, who posed the following problem:. For a moderately active man weighing 154 pounds, how much of each of 77 foods should be eaten on a daily basis so that the man’s intake of nine nutrients will be at least equal to the recommended dietary allowances (RDAs) suggested by the National ...
A low-fat diet is one that restricts fat, and often saturated fat and cholesterol as well. Low-fat diets are intended to reduce the occurrence of conditions such as heart disease and obesity. For weight loss, they perform similarly to a low-carbohydrate diet , since macronutrient composition does not determine weight loss success. [ 1 ]
The routine use of VLCDs is not recommended due to safety concerns, but this approach can be used under medical supervision if there is a clinical rationale for rapid weight loss in obese individuals, as part of a "multi-component weight management strategy" with continuous support and for a maximum of 12 weeks, according to the NICE 2014 guidelines. [12]
Historically, a healthy diet was defined as a diet comprising more than 55% of carbohydrates, less than 30% of fat and about 15% of proteins. [33] This view is currently shifting towards a more comprehensive framing of dietary needs as a global need of various nutrients with complex interactions, instead of per nutrient type needs. [34]
The human diet can vary widely. In nutrition, diet is the sum of food consumed by a person or other organism . [ 1 ] The word diet often implies the use of specific intake of nutrition for health or weight-management reasons (with the two often being related).
The Cambridge Diet was a very-low-calorie meal replacement fad diet developed in the 1960s. [1] The diet launched with different versions in the US and the UK. [1] The US version filed for bankruptcy [2] and shut down shortly after the deaths of several dieters. [3] The UK diet has also been known as the Cambridge Weight Plan, but is now known ...