There are many reasons why diets are restricted. Low carbohydrate diets are often prescribed for people with cardiovascular disease, metabolic syndrome, diabetes or who are simply overweight. Low protein diets are beneficial for people with kidney and liver diseases. Also, for the many of Americans who suffer from high blood pressure, low salt diets and caffeine reduction can be very beneficial. Other restricted diets are often prescribed for allergies, digestive issues, and autism.
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