Camel marrow, if it is mixed with myrrh water and given to a man suffering from back pain to drink, then this will be useful to him, with God’s permission, let Him be exalted.
-Ali ibn Isā, Abbasid Court Physician, 9th C
Or take Ibuprofen, which doesn’t require you to butcher a camel, collect resin from a Commiphora myrrha tree, or waste precious Mayya, Water, which the drovers would much prefer to use for tea.