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Teachers are being advised to use microphones, loudspeakers and other techniques to save their vocal cords.
A team of scientists issued the recommendations after a study of the impact of increasingly noisy classrooms. The survey of 3,904 teachers in France discovered that they were twice as likely as other workers to suffer disorders ranging from sore throats to vocal fold swelling.
A quarter of the men and half the women interviewed said that they often or always suffered vocal problems. Scientists said that women teachers were at greater risk because those with high voices were more likely to put a strain on their vocal cords.
A team of scientists issued the recommendations after a study of the impact of increasingly noisy classrooms. The survey of 3,904 teachers in France discovered that they were twice as likely as other workers to suffer disorders ranging from sore throats to vocal fold swelling.
A quarter of the men and half the women interviewed said that they often or always suffered vocal problems. Scientists said that women teachers were at greater risk because those with high voices were more likely to put a strain on their vocal cords.
Source: Times Online
