Sahih Muslim Book 10, Hadith Number 3831.

Chapter : Conversion of currency and selling of gold for silver on the spot.

Rumaid reported that Anas b. Malik (Allah be pleased with him) has asked about the earnings of a cupper. Then (the above-mentioned hadith was reported but with this addition) that he said: The best treatment which you get is cupping or aloeswood and do not torture your children by pressing their uvula.