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Cholesterol is the principal sterol of all higher animals, distributed in body tissues, especially the brain and spinal cord, and in animal fats and oils. [3] [4]Cholesterol is biosynthesized by all animal cells [citation needed] and is an essential structural and signaling component of animal cell membranes.
Food is any substance consumed to provide nutritional support and energy to an organism. [2] [3] It can be raw, processed, or formulated and is consumed orally by animals for growth, health, or pleasure.