Rearrange the following sentences in their correct order to form a meaningful paragraph.

P. Iron is an essential mineral, necessary for the several crucial functions of the body.

Q. In addition to the production of haemoglobin, iron helps to keep your hair, skin and nail health.

R. A large number of people across the globe are suffering from the problem of iron deficiency anaemia.

S. Women belonging to the menstruating age group are more prone to this deficiency as compared to others.