Hi RSD and welcome!
I agree that a combination of working with your doctor to treat the iron deficiency...and also seeking to relieve your worries about
your minor health issues will help you to feel your best all around!
Here are some links regarding health anxiety and self help coping skills to relieve the fears.;)
Health Anxiety - A Self Help Guide:
http://www.nhs.uk/conditions/hypochondria/pages/introduction.aspx
Helping health Anxiety
http://www.cci.health.wa.gov.au/resources/infopax.cfm?Info_id=53
Health Anxiety- The Super Scanner
http://www.get.gg/docs/SuperScanner.pdf
Have a look, and keep posting with us if you find it helpful. We understand, care and support is key!
Scaredy Cat