BIOMOLECULES AND ENZYMES

Detailed explanation-1: -The most common cause of rickets is a lack of vitamin D or calcium in a child’s diet. Both are essential for children to develop strong and healthy bones.

Detailed explanation-2: -In adults, severe vitamin D deficiency leads to osteomalacia. Osteomalacia causes weak bones, bone pain, and muscle weakness.

Detailed explanation-3: -A lack of vitamin D or calcium is the most common cause of rickets. Vitamin D largely comes from exposing the skin to sunlight, but it’s also found in some foods, such as oily fish and eggs. Vitamin D is essential for the formation of strong and healthy bones in children.

Detailed explanation-4: -Severe chronic vitamin D deficiency [25(OH)D level less than 15 ng/ml] leads to overt skeletal abnormalities in children that is typically defined as rickets (23, 30–32).