20. Muhammad ibn Yahya has narrated from Muhammad ibn Musa from Ya’qub ibn Yazid from ‘Uthman ibn ‘Isa from ‘Abd al-Samad ibn Bash ‘Amir from Hudhayfah ibn Mansur from Abu ‘Abdillah who has said the following: “Sneezing is beneficial to all parts of the body if it is not more than three times, if it is more than three times then it is an illness and disease.’”