The antinuclear antibody (ANA) test is the go-to screening test for lupus. If the result is negative, says Dr. Gilkeson, you can almost guarantee that a patient doesnât have lupus. On the other hand, a positive result is much less clear; 90% to 95% of people who have a positive ANA test donât have lupus.
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There are few natural foods that have the color blue in it. This makes blue a color that can suppress appetite. Some diets suggests eating food of a blue plate as it will make the person eat less. Variations of Blue. Light blue is the color most linked to creativity. Sky blue is the most calming shade of blue that helps a person relax. Sky blue is also a color that inspires safety and serenity. Dark blue is the shade that is associated with intelligence and lack of emotion. Positive and Negative Aspects of Blue. Blue is an almost universally liked color.