After a bitter legal battle. The family of jacob blake has led a rally against Police Violence in commercial wisconsin the 29 year old black man was shot in the back by a white officer one week ago sparking days of unrest the shooting has become the latest focal point in the fight against Racial Injustice in the u. S. Shiite muslims around the world are marking a shura under the cloud of the coronavirus pandemic is the highlight of a holy month that marks the death in battle of the prophet muhammads grandson who say. This is w. News from berlin follow us on twitter and instagram a t w news or a with our website w dot com. Oh. Boy. Its. Easy to. Stop. Ok wouldnt it be great if you could silence noise just like that we all know this only works on t. V. Lets face it if i would sit here every single day i would presumably be death or sick in any case especially road traffic noise is a risk to your health and well being. Headaches dizziness and tonight is just some illnesses that can be caused by noise. A moment of quiet nothing but. Blissful. Unfortunately. Our everyday lives are usually different when confronted with all sorts of noise 24 hours a day closing out isnt an option sounds become noise when they disturb us often when theyre very loud but its not just a question of volume psychologist daniel crystal says noise cant be described in purely physical terms. Noise isnt an acoustic property its a sensation but it is related to the Acoustic Properties of the sound. The louder the sound the more likely it is to bother me so it also depends on the situation. Its my favorite bands playing a concert i wont mind it being really loud but if i want to sleep my favorite band hopefully wont be playing in my living room an important factor is whether or not you have control. A sound that i can turn on and off is less likely to disturb me than Something Like street noise or aircraft noise because i cant control those. Noises in our environment can especially become a problem when were completely at their mercy its no wonder that lots of people are affected by traffic noise and noise can cause illness even if weve become so used to a soundscape that we no longer consciously perceive it noises can still affect our health. For example scientists are studying the connections between Noise Pollution and Mental Illnesses such as anxiety and depression. And immense as to Noise Pollution is a huge factor in stress especially if it persists for years. We Just Companies or the new study were able to show that Noise Pollution can predict the onset of anxiety and depression even 5 years later as well as insomnia as bit of. But not everyone can choose where they live and work for many the only option is to cope with noise as best they can he should interfere in safe and sound and i would advise people not to limit themselves because of concerns about noise but to continue with their activities and do the things they enjoy stress up to pawn thats an important way of reducing stress and then you can avoid the vicious circle of Noise Pollution and possible anxiety or depression it often. These days away seas of quiet are rare and therefore precious. The important thing is to seek them out. As the philosopher Friedrich Nietzsche remarked the greatest events are not our noisiest but our stillest hours. Underneath. The Technical University of berlin since january 2000. Institute a fleet mechanics and technical accuses the research is noisy faces and noise assessments and all have a. High halo of those appearing high oh i see its here i see media whats he doing here i measure the top of the level also your traffic noise at this very busy street yeah so its quite noisy isnt it yeah as expected its. Much lower than 70 to be an average so its very loud so it wouldnt be very appropriate to live here yes i would like to have me to ok so what about if you go to something more quiet great ok. Its a very very busy street its very noisy its really difference between noise and just sound yes theres a difference and. This noise as i dont want to know is if you think its in appropriate detail its a noise and therefore it is a psychological phenomenon it is not the physical event its in the printed auditory event this makes it sound to unwanted noise sorry depends on my perception of what i do about this. Yes yes and therefore it is difficult to measure if such a device unwanted noise because it is you is your perception. A lot of engineers tried to reduce noise from cars but its in the lazy so so why is this theres a simple reason because we have so many cars and on our roads so i think of it as a single car is quite a dent in the parsed but we have much more cars on the roads and therefore the road traffic noise is quite high in our cities so but when you take a look at all the capitals in this world to me that cities are getting bigger and bigger and more mobility more mobility so can we do anything about the noise there are some approaches to promote develop being in cities to reduce noise on the technical side but also to offer torque to places like parks green areas because we can observe that it is quite quite beneficial for the for the health and Life Satisfaction for People Living in cities but the divide would say well i love this noise here its great its a booming city and i like to watch other cars and i like it here and theres still some may make its effects on me. I would say it helps if you have a positive thinking in a positive attitude towards the noise over city then it might decrease to a certain extent potential Health Effects but we cant close our ears silvie are always listening. And therefore he cannot really adapt to noise it always stress therefore you cant avoid any Health Related risk. In with a think that the the so nice all and even if i like the lawyers even feel like a lawyer but its quite simple if you listen to a lot of music over a long time then of course you will. Have hearing impairment after soldiers its not a question so lets 1st have a look at how our ears work and how they do this 24 sevenths. This is how dangerous prehistoric times when you shut your eyes for some while and rest im not even telling it youre on the dinner menu for the meeting species. Bums. Thats all it takes despite sleep mode the ia is wide awake its registered the telltale sound and in a flash it transmits the signal to the controls and has a moment later the adrenal gland releases the stress hormones adrenalin and noradrenalin they activate the unarmed systems in all the important tool in. The heart immediately steps on the gas to increase the bodys oxygen supply. Blood vessels constrict Blood Pressure rises digestion is now of minor importance it gets decoupling from the bloodstream maximum blood supply has to go to calls the body needed for survival right now the muscles a crucial. A rude awakening but at least the internal systems are already running at full speed so phyto flight in this case best to make his speaking exit. If you have is close but now its time to replenish the lost energy. After a short delay the stress hormone cortisol is also taking effect fat from the bodys deposits is being mobilized. In the liver sugar is manufactured and released into the blood. Coaches i mean shows that we dont run out of fuel when fleeing from danger its an ingenious survival strategy for emergencies. But ever since we traded life in the wilderness for roads houses and traffic theres been a problem the alarm system that protected us by peds from saber tooth tigers for thousands of years now seems to have run its course. Even though modern sources of noise can be annoying they many signal life threatening danger. But have a gnome system still react in the same way be wary of saber tooth tigers prepare for a fight or flight. So stress hormones are released on one during sleep and particular cortisol levels of permanently elevated when this continuous noise we get into a fight or flight mode our Blood Pressure goes up and energy is quickly made available in the blood. Even though it isnt needed. In the long term that can cause Health Problems too high levels of sugar and liquids in the blood and type attention can be precursors to cardiovascular disease. Sic windows are the only permanent solution to help us sleep soundly and to give our in a a gnome system some rest. Even in our modern world there are some loud noises that offer somewhat outdated Warning System should respond to. When it comes to distinguishing between annoying and my stretching sounds. Human evolution still has a long way to go. Weve got something more listen closely. Andrea garcia is getting ready for bed but 1st he setting up a gadget that will measure the noise levels in his room because its going to be a noisy night. While hes asleep he will be exposed to the noise of airplanes flying overhead. Tonight it will be 30 planes tomorrow night 60. Andre tries to sleep as best he can hes in for a restless night. People who live near airports have to put up with a lot of noise often until late at night and then again from early in the morning. Thomas mental has spent 7 years studying what noise does to our bodies the cardiologist is especially interested in the noise of airplanes at night which many People Struggle with. The idea of studying aircraft noise at night is based on major studies that have shown clear link between insufficient or interrupted sleep and a greater risk of cardiovascular conditions so heart attacks strokes cardiac arrhythmias or cardiac insufficiency. Could too much noise be the cause the next morning Andrea Garcia goes to the clinic to be examined the doctors use ultrasound to evaluate the blood flow through his arteries that will show how elastic they are as a result of his poor nights sleep his arteries are less flexible because andrea was healthy his body will repair the damage but that isnt the case with everyone. Because i have coronary Heart Disease for example and im exposed to aircraft noise at night then the condition of my arteries deteriorates and then i have to assume that this noise related deterioration of my arteries will lead to more heart attacks or cardiac arrhythmias Heart Failure and so on as for how to use them. So how come noise affects our blood vessels. Thats something thomas mental has been investigating in mice when the rodents are exposed to the sound of airplanes their bodies produce more stress hormones they also suffer inflammation of the arteries because free radicals seen here in brown are formed in their cells. Usually not. 100 garcia has now had a 2nd night of aircraft noise again he has not slept well the cardiologist want to know whether his body has got used to the noise in which case his arteries all to be a little more flexible this time and less affected by his lack of sleep but the ultrasound shows the opposite to happen they are always good when. We discovered that once an individual has had exposure to noise at night the deterioration of the arteries is considerably worse the following night. In other words your blood vessels dont get used to the noise the damage inflicted on them is actually more pronounced conflicting. Studies have shown that aircraft noise at nights not only damages blood vessels but also the brain causing it to age faster the doctors have discovered that memory and the ability
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