Here is a great study done about our sponges that we use daily. It is a little scary! But it is easy to zap the germs away by microwaving or putting in the dishwasher which I try to remember to do. Let's keep healthy!
http://ucanr.org/sites/letseathealthy/Nutrition_News_and_Resources/Newsletters_114/?newsitem=41608
http://ucanr.org/sites/letseathealthy/Nutrition_News_and_Resources/Newsletters_114/?newsitem=41608