Approximately mg of iron is absorbed by the body per day.

Iron absorption occurs mainly in which part of the small bowel?
The

is the main regulator of iron absorption. In cases of haemochromatosis, this structure binds to ferroportin and causes its degradation, thus disabling the transfer of iron to transferrin

Name this clinical sign which can occur due to iron deficiency.

Iron deficiency can also cause inflammation and scarring of the corner of the mouth.
This sign is called

Hereditary Haemochromatosis is a primary haemochromatosis that typically arises due to a mutation of the HFE gene causing a decreased synthesis of which regulative protein?

Hereditary Haemochromatosis most commonly occurs due to mutations in the gene

The initial treatment of choice for hereditary haemochromatosis in non-anaemic individuals is weekly