Low-carbohydrate diets or low-carb diets are dietary programs that restrict carbohydrate consumption primarily for weight control. Foods high in digestible carbohydrates are limited or replaced with foods containing a higher percentage of proteins and fats.

Epileptic children have benefited from following the ketogenic diet for many years. This diet is one consisting of fasting and very restricted amounts of fluids and carbohydrates. It works so well that it can even completely eliminate seizures in children.

An outstanding and thorough review of recent research into the efficacy of low-carb diets in treating the Metabolic Syndrome (insulin resistance, high blood sugar, high blood pressure, and high triglycerides, and low HDL), even when patients are not overweight. Also discusses Pattern B (small, dense, especially-harmful LDL, and clinical markers).

The South Beach Diet is not just another diet fad to come out of America, but a new approach to healthy eating and healthy living to promote long term health and fitness. Generally the diet involved totally restricting consumption of carbohydrates and diary products in the first stage, and then instroducing small portions of carbs later.

The first phase of a caloric restriction study in human subjects found evidence that calorie-restricted diets differing substantially in glycemic load can result in comparable long-term weight loss. In other words, calories matter more than carbohydrates.

A calorically restricted ketogenic diet decreases the growth of malignant brain tumors in laboratory mice, according to an online report in the journal Nutrition & Metabolism.