Karbala Soil
Question :

Is it lawful to eat the earth of Karbala, and is there any particular supplication (du'a) associated with eating it, and is it necessary to recite it?

Answer :

It is permissible to eat a little of the earth of Karbala for the sake of being cured from illness. It is a little more than 1 kilometer in radius around the holy grave of the Imam (peace be upon him). There is a supplication reported from the Ahlulbait (peace be upon them) to be recited when eating the earth of Karbala, but it is not obligatory to do so.

Pizza
Question :

I live in the West and there is always confusion as to whether it is permissible or prohibited to eat pizzas made by non-Muslims and baked in their oven. Can we eat it or not?

Answer :

If it does not contain meat, then it is permissible to eat, provided that it is not known to have come into contact with anything Najis.
If it contains meat, then it is not permissible to consume it in non-Muslim countries unless there is sufficient evidence that the meat is from an animal that was slaughtered in accordance to Islam.

Food Prepared by a Hindu or a Buddhist
Question :

Is it allowed to eat food prepared by a non-Muslim who is not from Ahl al-Kitab [for example, a Hindu or a Buddhist]?

Answer :

If they touched the food, then it is not permissible to consume it nor is it permissible to consume meat presented by them, unless it was slaughtered according to the Islamic laws, which can be known if the meat is purchased from a Muslim market.

Forty Days
Question :

If a person does not eat meat for forty days or more at a time intentionally, when lawful meat is available to him, is this considered as disliked?

Answer :

It has been reported in various narrations that it is disliked to abandon eating meat for forty days.

Fast-Food
Question :

Is it permissible to eat at western based fast-food chains in Muslim countries?

Answer :

If they use meat from non-Muslim countries, then it is not permissible to eat there. If they use meat from Muslim countries, then it is permissible.

Plant
Question :

There is a plant called Kratom. Kratom contains a chemical called mitragynine. Mitragynine works like opioid drugs such as codeine and morphine to relieve pain. This has helped individuals with anxiety, depression, and focusing. If this substance were to be used to help a person focus better in school and only for that use, is it permissible?

Answer :

It is permissible to use this substance for medical purposes. It is prohibited to use if it causes prohibited harm, such as addiction to the level that one would be lower himself and humiliate himself in order to obtain it, and other such side effects that are usually associated with using such substances.