High-fat and high-carbohydrate diets and energy balance

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Abstract

The current American Diabetes Association guidelines for nutrition recommend a moderate increase in monounsaturated fats and a reduced intake of carbohydrate in patients with diabetes in whom high-carbohydrate diets deteriorate glycemic control and lipoprotein levels. High-fat diets, however, are believed to promote obesity, and some investigators may have reservations recommending such diets. This review thus investigates the role of diet composition in promoting obesity or achieving weight loss and its implications in patients with diabetes. Epidemiological studies show some evidence that fat intake is more importantly related to body weight than carbohydrate intake, but conclusions are weak because confounding variables, such as physical activity, smoking, and energy intake, were generally not controlled for. Metabolic studies under isoenergic conditions report no change in energy balance when fat intake is increased, but report a negative fat balance with substantial increase in carbohydrate intake. During overfeeding, excess fat intake is stored as fat, whereas excess carbohydrate is mostly oxidized in the short term but can lead to substantial gain in fat stores because or reduced fat oxidation and considerable de novo lipogenesis in the long-term. Spontaneous energy intake, however, is higher on an unrestricted high-fat diet compared with a high-carbohydrate diet, but the long-term effects are not known. Weight-loss intervention studies show that a hypocaloric high-carbohydrate diet is not associated with more weight loss than a high-fat hypocaloric diet. In conclusion, a high-monounsaturated fat diet to control glycemic control and lipoprotein levels in patients with diabetes should not affect weight loss or maintenance, provided that energy intake is carefully controlled.

Original languageEnglish (US)
Pages (from-to)1142-1152
Number of pages11
JournalDiabetes Care
Volume19
Issue number10
StatePublished - Oct 1996

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High Fat Diet
Fats
Carbohydrates
Weight Loss
Diet
Energy Intake
Lipoproteins
Obesity
Nutrition Policy
Lipogenesis
Confounding Factors (Epidemiology)
Epidemiologic Studies
Smoking
Body Weight
Maintenance
Research Personnel
Exercise

ASJC Scopus subject areas

  • Internal Medicine
  • Endocrinology, Diabetes and Metabolism

Cite this

High-fat and high-carbohydrate diets and energy balance. / Shah, Meena; Garg, Abhimanyu.

In: Diabetes Care, Vol. 19, No. 10, 10.1996, p. 1142-1152.

Research output: Contribution to journalArticle

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