Question

what is vitamin d write the effects of its deficiency ​

Answer 1

Vitamin D insufficiency leads to secondary hyperparathyroidism that causes increased bone loss, osteopenia, osteomalacia, osteoporosis, and increased fracture risk. ... A severe vitamin D deficiency can cause myopathy, which can cause muscle weakness and pain.

Answer 2

Answer :

Vitamin D is a fat soluble vitamin

It is also called calciferol or sunshine vitamin , it is responsible for melanin pigmentation (dark colouring of our skin) on its reaction in the presence of sunlight.

It's deficiency can cause

1) rickets in children

2)and osteomalaycia in adults