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Tag Archives: Immune System

Natural Killer Cells: definition

A unique immune cell type able to kill cancer and virus-infected cells. The nature of the killer receptors expressed on natural killer cells (NK cells), mediating this killing, and their ligands, is only little understood. Four lysis receptors for human ...

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EPA (Eicosapentaenoic Acid) Deficiency

What Is EPA? EPA (eicosapentaenoic acid) is an essential omega-3 fatty acid that is crucial for fetal brain and retina development and the child’s subsequent neurodevelopment among very many other activities in people of all ages. Omega-3 fatty acids  are ...

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Zinc Deficiency

What Is Zinc? Zinc is an essential trace mineral that is involved in numerous aspects of cellular metabolism, being essential for activation of almost 200 enzymes that have vital roles in the body. Q: What happens when enzymes do not ...

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