Ahem: Be Kind To Your Voice

For Gregg Marano, yelling is part of the job. A foreign-currency trader at M.W. Marshall in New York, he spends his days shouting orders over a cacophony of brokers and customers squawking through speakerphones. Last year, the vocal strain got to be too much. Most afternoons, Marano's throat was so sore he could hardly talk. "You don't realize you're abusing your voice until it starts to go," he says.

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