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“You may not know what a sihr is. I didn’t until a few hours ago. A sihr is a demon that enters your body when you are lacking in faith.
They are nasty beasts. They will cause so many health problems. If you are a woman that experiences bleeding between your regular periods, that is the work of a sihr. They travel down to your womb and stomp on your veins causing you to bleed. Epilepsy is another sign of their invasion.”

And what is “Ruqyah”, I hear you ask.

h/t wallyj