What is the ruling for a person who eats the soil from around the Shrine of Imam Hussein?

Fatwa, posted 4.22.2010, from Iraq, in:
Religious Authority: 
Ali al-Sistanti
Website URL: 
http://www.sistani.org/
Fatwa Question or Essay Title: 
What is the ruling for a person who eats the soil from around the Shrine of Imam Hussein?

It is permissible to eat soil in the quantity of a medium-sized chickpea for healing purposes.

ما هو حکم من ياکل التربة الحسينية؟ يجوز بقدر الحمصة متوسطة الحجم بقصد الاستشفاء

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