Which of the following diseases is caused by the prolonged deficiency of vitamin D?

Rickets

 The correct answer is Option (1) - Rickets

Rickets:

• Cause: Rickets is caused by a prolonged deficiency of vitamin D, calcium, or phosphate.
• Vitamin D Role: Vitamin D is essential for the absorption of calcium and phosphate in the intestine. Without adequate levels of vitamin D, the body cannot maintain proper levels of these minerals.
• Consequences: The deficiency leads to weakened and softened bones, as vitamin D is crucial for bone mineralization and growth.

Other Options:

• Chickenpox: Caused by the varicella-zoster virus.
• Scurvy: Caused by a deficiency of vitamin C, leading to weakness, anemia, and gum disease.
• Marasmus: A form of severe malnutrition characterized by energy deficiency.