Clogged drains are a well-known family plumbing problem which may bring about water backups and ugly odors

https://cpeonline.ucdavis.edu/eportfolios/633/home/common-plumbing-issues-in-a-house

Clogged drains are a widely used household plumbing issue which may lead to water backups and disagreeable odors. Regular cleaning and by means of strainers can assistance avert clogs from forming in the first area.