I think there is effect dopamine recepter

Снижение аппетита вследствии низкой активности железосодержащих ферментов, низкой секреции желудка в условиях гипоксии.

If growth hormone secretion is related to serum transferrin levels, which suggests a + correlation between iron-transferrin levels and an increase in height and weight. I would say that chronic iron deficiency (long term) would have a significant impact not only in growth and development but also it would case a delay in normal infant activity and movement.

Dear Ashraf,

Please have a look at these links and PDF attachment.

Article Anemia and growth

http://www.bloodjournal.org/content/bloodjournal/87/5/2075.full.pdf?sso-checked=true

Good luck!

Thanks a lot Dr Singh.

Ashraf