Medicine (Kitab Al-Tibb) hadith Sunan Abu-Dawud

Narrated Usamah ibn Sharik: I came to the Prophet (peace_be_upon_him) and his Companions were sitting as if they had birds on their heads. I saluted and sat down. The desert Arabs then came from here and there. They asked: Apostle of Allah, should we make use of medical treatment? He replied: Make use of medical treatment, for Allah has not made a disease without appointing a remedy for it, with the exception of one disease, namely old age.