Beta blockers: Beta blockers help control the catecholamine response to performance. If you have a shaky voice problem its worth a try of some beta blocker, it may well help you with that problem. Lots of performers use beta blockers before they go on.
Answered 3/29/2013
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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