When the airport was moved, the researchers followed up with the nearby schools and found reading comprehension and long-term memory had improved among students at the school near the old airport site. The researchers found that students attending that school performed worse on long-term memory and reading comprehension tests when the airport was near their school. One study looked at children who went to school near the Munich airport before and after the airport was relocated. High-noise environments are dangerous for our mental health as well. Such a noisy environment can even cause doctors to confuse similar-sounding drugs-a potentially deadly mistake caused by excess noise. As more technology is added to wards, the average noise level in hospitals is well above the World Health Organization's hospital noise guidelines for patient rooms, something that is detrimental to patient health and recovery. Concerningly, modern hospitals have become far noisier than they were in the past. Quite ahead of her time, Florence Nightingale reportedly considered quiet an important part of patient care. People who live in consistently noisy places also commonly have elevated levels of stress hormones. Other studies have found links between noise and sleep loss, heart disease, and tinnitus. Epidemiologists have found correlations between chronic noise sources such as highways and airports and high blood pressure, something that in turn can lead to other health risks, including damage to our brains and kidneys. Excessive Noise Is Bad for Healthīeing around excessive noise has been found to affect our health quite seriously. The former may seem worse, but both can be detrimental to our productivity-and sanity. The other is simply the distraction of general noise around us, such as conversations or interruptions from colleagues in the workplace. One is excessive noise, such as the prolonged loud noise of being near an airport. Two types of everyday noise can be bad for us. It's common knowledge that the jarring sound of a jackhammer-or the loud blasts of a rock concert- can damage our hearing, but that's not the only type of harmful noise. Sounds above 85 decibels (dB) are harmful depending on how long and how often you
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