Primary, secondary, and tertiary sources may all be appropriately used, if (1) they are used without engaging in original research or synthesis and (2) if in the event of conflicts between sources they are treated with the appropriate deference to the better source.
There is some evidence that a low-carbohydrate diet may help people lose weight more quickly than a low-fat diet (31,32)âand may help them maintain that weight loss.
Low-Carbohydrate Diets for Weight Loss. Low-Carbohydrate Diets for Weight Loss. Low-carbohydrate diets are based on the idea that avoiding foods high in carbohydrate, such as pasta, bread, rice, cereal, fruits, and starchy vegetables, causes weight loss. These diets are usually high in protein and fat. The appeal of low-carbohydrate diets is rapid weight loss in the first few days. But most of the initial weight loss is water.