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Elevated workplace or environmental noise can cause hearing impairment, tinnitus, hypertension, ischemic heart disease, annoyance, and sleep disturbance. [ 3][ 4] Changes in the immune system and birth defects have been also attributed to noise exposure. [ 5] Although age-related health effects ( presbycusis) occur naturally with age, [ 6] in ...
The microwave auditory effect, also known as the microwave hearing effect or the Frey effect, consists of the human perception of sounds induced by pulsed or modulated radio frequencies. The perceived sounds are generated directly inside the human head without the need of any receiving electronic device. The effect was first reported by persons ...
Noise -cancelling headphones alongside a carry case. Noise-cancelling headphones are headphones which suppress unwanted ambient sounds using active noise control. This is distinct from passive headphones which, if they reduce ambient sounds at all, use techniques such as soundproofing . Noise cancellation makes it possible to listen to audio ...
The temperature was already above 80 degrees and rising. The work of maintaining the public water supply in a heat wave is crucial. But it needs to be done as safely as possible. That means ...
These are the items Americans lose most. Perhaps unsurprisingly, the most commonly lost items were also among the most ubiquitous and important: phones and keys. Most people don't leave home ...
No one really knows. More than 1 in 5 of all homeless people in the U.S. live in Los Angeles County, or about 75,000 people on any given night. The county is the most populous in the nation, home ...
1.33 billion / 18.5% (2015) [ 4] Hearing loss is a partial or total inability to hear. [ 5] Hearing loss may be present at birth or acquired at any time afterwards. [ 6][ 7] Hearing loss may occur in one or both ears. [ 2] In children, hearing problems can affect the ability to acquire spoken language, and in adults it can create difficulties ...
Tigers: LHP Tarik Skubal may start for the AL in the All-Star game and Riley Greene is one of four reserve outfielders. Detroit resumes the season Friday night at Toronto. AP MLB: https://apnews ...