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.
A low-carb diet limits carbohydrates â such as those found in grains, starchy vegetables and fruit â and emphasizes foods high in protein and fat. Many types of low-carb diets exist. Each diet has varying restrictions on the types and amounts of carbohydrates you can eat. A low-carb diet is generally used for losing weight.