There is very little water. Due to that animals were not as populated nor were humans in that area.
Answer:
Luckily, it was translated and preserved by Arab scholars, and re-emerged during the European Renaissance with little to no influence or ... the medical knowledge of the ancient Greeks with later Roman periods, Galen (131 – 201 CE). Among the many medical and herbal texts translated and studied by Muslim scholars
He asserted that on the off chance that he did all that it would be useful for both the general population and him. He trusted that in the event that you are a government official, you work for yourself and to your greatest advantage. In the event that you figure out how to help yourself and in the meantime your kin and you nation, that would be the best, so being accessible for help was a political move that would help raise his rank, while likewise being valuable for the general population.