Safe ones are safe: Commercial ones cannot get deep into canal, so they are physically safe. Of course you could miss hearing a smoke alarm, or emergency call or intruder, but that's not really the same as causing harm. Just don't push them in too far and sleep well.
Answered 10/17/2013
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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
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