8 Adverse Implications of Iron Deficiency Anemia and Nutrition Interventions to Combat It. Iron is an essential nutrient involved in the circulation of oxygen to every part of body tissues, synthesis of DNA, electron transportation, cognitive health, growth, and development. The regulation of iron in the body follows a strict balance between iron absorption from … Continue reading 8 Adverse Implications of Iron Deficiency Anemia and Nutrition Interventions to Combat It.