2-94 (The compiler of the book narrated) that his father - may God be pleased with him - narrated that Sa’ed ibn Abdullah quoted Muhammad ibn Isa, on the authority of Ubaydullah ibn Abdullah al-Dehqan, on the authority of Durost ibn Abi Mansoor, on the authority of Abdullah ibn Sin’an that Abu Abdullah as-Sadiq (MGB) said, “Do not use sweet basil stems or pomegranate tree twigs as toothpicks as this might lead to leprosy.”