Yes but this seems just to be another gnostic revelation of yours. See
http://www.sheridanhill.com/gnosis.html

"Although it is derived from the Greek word for knowledge, gnosis was
understood not as meaning 'knowledge' or 'understanding' in our sense
of the word, but 'revelation.' The Gnostics believed that they
possessed a secret knowledge that was not based on reflection, or
scientific inquiry and proof, but on revelation. It was derived
directly from the times of primitive Christianity; from the Saviour
himself and his disciples and friends. It was laid down in wonderful
mystic writings, which were in the possession of the various circles
..."

It is just your "relevation" that iron metabolism has anything in the
least to do with asthma. There is no scientific proof.  Try reading
some gnostic literature like "the Song of the Pearl" or the Gospel
according to St.Thomas, and leave this group alone.  Richard Friedel