Why is carrot juice ranked high when juices in general are not?

Juices in general shouldn't be had too often. That's why it says once or twice a week, with carrot juice as the exception. But both are not about how many times a week, rather how important they are. The excellent ranking means very important, so carrot juice is important. The preparation method section shows the general guideline but the individual food is specific for that individual food.

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