Iron deficiency can cause anemia which means lower hemoglobin levels. Anemia is widespread in India with over 58.6% of children, 53.2% of non-pregnant women, and 50.4% of pregnant women diagnosed with it. Iron deficiency can cause fatigue, shortness of breath, headache, difficulty in concentration, etc. Include these foods in your diet to maintain adequate levels of iron in your body. However, it is advisable to consult a doctor before making any changes to your diet.