Let's wash this off our hands...

Washing Hands Makes Tough Choices Easier : Discovery News: "Now, scientists report that when people wash their hands immediately after making a decision, they are less likely to rationalize its merits -- possibly making them less content with the decision but more objective about the option they rejected.

While the finding doesn't necessarily offer any obvious practical advice, it adds to a growing body of evidence that washing is both literally and figuratively cleansing and that sensory experiences often reflect abstract"