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At the heart of general practice since 1960

End of road for GP specialists?

How loud are common

things in decibels (dba)?

Inaudible 0

Just audible 10

Whispering at five feet 20

Soft whisper 30

Average living room 40

Refrigerator 50

Normal conversation 60

Noisy bar 70

Hairdryer 80

Tractor 90

Home lawnmower 100

Baby crying 110

Pneumatic drill 120

Rocket launch pad 180

Permanent damage to the ears can occur after prolonged exposure to noise above just 85 decibels, and after just 10 minutes at 110 decibels

Taken from An Essential Medical Miscellany by Dr Ayan Panja,

Royal Society of Medicine Press Limited, www.rsmpress.co.uk,

ISBN 1853156310

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