Washing dishes by hand may be associated with higher rates of gut microbiome biodiversity compared to using dishwashers.

“actually I think there's some evidence that uh using a dishwasher is negative for the microbiome I think there is some evidence epidemiologic evidence that not using a dishwasher washing your dishes by your hand people had higher rates of biodiversity because you're getting your dishes Ultra sterilized and too clean when you're dishwashing them”