Abdullah bin Mubarak عبد الله بن المبارك · Chapters on Medicine

"Whenever one of the wives of the Messenger of Allah (s.a.w) became (feverishly) ill, he would order that some broth be prepared. Then he would tell them to take some of the broth. And he would say: 'It firms the heart of the grieved, and it rids the worries from the heart of the ill just as one of you removes dirt from her face with water." Another chain reports a similar narration.

"Ibn 'Abbas had three boys who were cuppers. He would use the proceeds from two of them for himself and his family, and one of them would cup him and his family." He said: " Ibn 'Abbas said: 'The Prophet (S.A.W) said: 'How excellent is the slave who cups, letting the blood, relieving the back, and clearing the vision." And he said: "Indeed the best for you to cup on are the seventeenth, the nineteenth, and the twenty-first." And he…

"Truffles are the earth's smallpox." So the Messenger of Allah (S.A.W) said: "Truffles are a form of manna, and its liquid is a cure for the eye. Al-'Ajwah is from Paradise, and it contains a cure for poison."