Hands-free faucets not necessarily better, say scientists

Just three years ago, a study conducted by the University of Westminster, London, determined that the “hygenic” warm air hand dryers commonly found in public washrooms actually left users with more bacteria on their hands than if they’d simply used paper towels. Now, it seems that the good name of hands-free electronic-eye faucets is being similarly besmirched – researchers at The Johns Hopkins Hospital in Baltimore have discovered that water coming from such faucets contains more Legionella bacteria than that dispensed by conventional fixtures. Their theory is that the high-tech faucets’ complex inner workings are to blame.

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