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Calorie restriction (also known as caloric restriction or energy restriction) is a dietary regimen that reduces the energy intake from foods and beverages without incurring malnutrition. [ 1 ] [ 2 ] The possible effect of calorie restriction on body weight management , longevity , and aging-associated diseases has been an active area of research.
Body for Life: A calorie-control diet, promoted as part of the 12-week Body for Life program. [17] Cookie diet: A calorie control diet in which low-fat cookies are eaten to quell hunger, often in place of a meal. [18] The Hacker's Diet: A calorie-control diet from The Hacker's Diet by John Walker. The book suggests that the key to reaching and ...
CR is defined as a reduction in calorie intake of 20% (mild CR) to 50% (severe CR) without incurring malnutrition or a reduction in essential nutrients. [1] An effective CRM would alter the key metabolic pathways involved in the effects of CR itself, leading to preserved youthful health and longer lifespan without the need to reduce food intake.
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.
Saturated fats to less than 10% of calories; Added sugars to less than 10% of calories; Sodium to less than 2.3 g/day (5.8 g of salt/day), including both added table salt and salt in foods; If consumed, use alcohol in moderation and only for adults — up to 1 drink daily for women and 2 drinks daily for men. [23]
Low-fat diets have been promoted for the prevention of heart disease. Lowering fat intake from 35 to 40% of total calories to 15-20% of total calories has been shown to decrease total and LDL cholesterol by 10 to 20%; however, most of this decrease is due to a reduction in saturated fat intake. [5]
Very-low-calorie diets (VLCDs) are diets of 800 kilocalories (3,300 kJ) or less energy intake per day, whereas low-calorie diets are between 1000 and 1200 kcal per day. [ 8 ] Health effects
Another study demonstrated that negative-calorie diets (NCDs) have the same efficacy to low-calorie diets (LCDs) in inducing weight loss when both of these diets are combined with exercise. [7] Chewing gum has been speculated as a "negative-calorie food"; A study on chewing gum reported mastication burns roughly 11 kcal (46 kJ) per hour. [8]