t entirely understood, but a combination of biochemical, psychological, and cultural factors may be at work.
In some studies, these bizarre cravings have been linked to an iron deficiency – even though none
of the craved items contain a significant amount of iron.
If you crave non-food items, it doesn't necessarily mean that you're lacking specific nutrients. But make sure you talk to your doctor or midwife and get checked for any underlying physical or psychological problem.