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.
Weight loss. Most people can lose weight on diet plans that restrict calories and what you can eat â at least in the short term. And low-carb diets, especially very low-carb diets, may lead to greater short-term weight loss than low-fat diets. But most studies have found that at 12 or 24 months, the benefits of a low-carb diet are not very large.