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.
Atkins for Diabetics. Over the past few years, a significant amount of research- much of it reported in this newsletter- has shown that low-carb diets are effective not only for weight loss, but for improving many measures of risk for heart disease and diabetes.