Deficiency of iron in the human diet causes:

A. Rickets
B. Goitre
C. Anemia 
D. None of these

🧠 Explanation:

Iron deficiency in the human diet causes anemia, leading to fatigue and weakness. This health issue is a key topic in nutrition, engaging students and medical professionals. Understanding anemia clarifies the importance of iron-rich foods, relevant for health sciences and diet planning. Its prevalence attracts those studying preventive care, highlighting its role in maintaining energy and health, emphasizing the need for balanced nutrition in daily life.