Why do I have to wash my hands?

How many times a day do you wash your hands? I probably wash mine 100 times! That might seem like a lot but I wash them every time I go to the loo, after I feed or stroke the cat, before and during cooking, before I eat (and sometimes afterwards), after I stack dirty dishes in the dishwasher, and each time I clean up mess and spills around the house.

So why do I wash my hands so often? And why is hand-washing important?


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