Didn’t know it could be serious, guess I should tell my MD about it. One of my aunts told me it ran in the family in case I needed to know but not why I might need to know. I thought I might throw off a compass or something.
Here is a link describing the condition that my friend finally was diagnosed. It relates to the heme portion of the blood.
http://www.porphyriafoundation.com/about-porphyria/types-of-porphyria/AIP