Tag: Otolaryngology

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Who is more harmful to ears, ordinary earphones or in-ear earphones?

(The above picture shows ordinary earphones; The following figure shows in-ear headphones.) First, the damage caused by listening to earphones belongs to chronic sound damage. The damage of sound to hearing is called noise deafness in medicine. Noise deafness is mainly divided into chronic sound injury and acute sound injury: A. Chronic sound injury: refers to slow sensorineural deafness caused by long-term exposure to noise stimulation. B. Acute sound injury: It is caused by close explosion (such as bomb explosion nearby during war) and is caused by instantaneous exposure of high-intensity impulse noise. II. Noise Intensity and Exposure Time The severity of noise damage to hearing is mainly determined by noise intensity and exposure time. The greater the intensity, the Read More …

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Be careful, 1.1 billion young people are at risk of hearing impairment!

The World Health Organization estimates that 1.1 billion young people worldwide are at risk of hearing loss caused by unsafe ear habits. Sales of smartphones have risen with the advent of technology, with more than a billion units sold worldwide in 2014. Nearly half of the 12-to 35-year-olds and young people in middle-and high-income countries listen with personal audio devices such as MP3 players and smartphones at unsafe volumes and for too long. Another 40% of the people came into contact with potentially destructive sound levels in nightclubs, discos and bars. Once the hearing is damaged, it will not be recovered! No matter how long, exposure to loud sounds can cause fatigue of sensory cells in the ear, resulting in Read More …

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Did you protect your ears when swimming?

Summer is coming, swimming is a very good exercise and summer-heat relieving activity. However, when swimming, attention should be paid to protecting ears to prevent swimming-related ear diseases. Is there what who may cause ear diseases caused by swimming? 1. External auditory canal inflammation Otitis externa caused by swimming is also called [swimmer’s ear]. When swimming or bathing, bacteria and other pathogenic bacteria enter the ear with the water flow. The warm and humid environment in the ear is suitable for bacteria reproduction, thus causing otitis externa. Symptoms of otitis externa mainly include: Ear redness, ear canal pruritus, ear excrement increase, ear canal pus flow, fever, external auditory canal pain, or headache 2. Childhood otitis media Due to children’s developmental Read More …

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How should sneezing, runny nose and pollen allergy carry out outdoor activities?

Most people like to go out for activities, but outdoor activities, even if they are only a little bit, are a great challenge for pollen allergy patients. The following measures can be taken to reduce the occurrence of pruritus and runny nose. First, look at the time From 5: 00 a.m. to 10: 00 a.m. and at dusk, the pollen value in the air is the highest. Therefore, you can choose to avoid the peak period of pollen quantity for exercise. If you have to, you can only exercise during the peak period of pollen. Please wear a mask and rinse off the particulate matter in your nose with normal saline as soon as you get home. There are some Read More …