Question: Which of the following is NOT true of iron-deficiency anemia? Need Online Tutoring? It is the most common nutrient deficiency, affecting 1/3 of the population worldwide It is most prevalent in older adults and men It results in microcytic anemia (small red blood cells) and hypochromic anemia (low color) due to decreased levels of hemoglobin Symptoms include fatigue, weakness, and shortness of breath