Reference: https://twitter.com/dawah16/status/1272057839356387328
https://twitter.com/dawah16/status/1272057839356387328
ad-Daa wad-Dawaa, p8
Ibn al-Qayyim said:
If the worshipper became proficient in using [Soorah] al-Faatihah as a treatment, [then by the permission of Allaah] he would indeed see its amazing effect in healing.