When these pockets become infected, diverticulitis occurs, a painful and, at times, serious condition. Rural Africans who consume 50 or more grams of fiber a day over a lifetime do not get diverticulosis. Yet, they do when they eat a Western diet with low fiber.
Urinary specific gravity (SG) is a measure of the concentration of solutes in the urine. It measures the ratio of urine density compared with water density and provides information on the kidneyâs ability to concentrate urine.
Specific gravity. Specific gravity is the ratio of the density of a substance to the density of a reference substance; equivalently, it is the ratio of the mass of a substance to the mass of a reference substance for the same given volume.