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  2. Chalkboard scraping - Wikipedia

    en.wikipedia.org/wiki/Chalkboard_scraping

    In contrast, humans are less averse to the white noise than to scraping. [4] A 1986 study used a tape-recording of a three-pronged garden tool similar to a fork being "grided" across a chalkboard, which roughly reproduces the sound of fingernails on chalkboard. The recording was then manipulated, removing pitches at the extremities and the median.

  3. Neurologists reveal 15 subtle migraine symptoms — that aren't ...

    www.aol.com/news/neurologists-reveal-15-subtle...

    Often, patients can only recognize their prodrome symptoms when they get to the pain phase and look back, Singh says. During a prodrome period, the Mayo Clinic and American Migraine Foundation say ...

  4. Bruxism - Wikipedia

    en.wikipedia.org/wiki/Bruxism

    Bruxism is excessive teeth grinding or jaw clenching. It is an oral parafunctional activity; [1] i.e., it is unrelated to normal function such as eating or talking. Bruxism is a common behavior; the global prevalence of bruxism (both sleep and awake) is 22.22%. [2]

  5. Havana syndrome - Wikipedia

    en.wikipedia.org/wiki/Havana_syndrome

    Medical condition Havana syndrome Other names Anomalous health incidents Unexplained health incidents Unexplained health incidents Unidentified health incidents The Hotel Nacional in Havana is one of the locations where the syndrome has reportedly been experienced. Causes Not determined [6] Named after Havana (Capital City of Cuba) Havana syndrome, also known as Anomalous Health Incidents ...

  6. Doctors Say This Is How You Can Loosen and Clear Mucus From ...

    www.aol.com/lifestyle/doctors-loosen-clear-mucus...

    If you’re a side-sleeper or if you have trouble sleeping on your back, adding a pillow between your legs and keeping your back straight can still help reduce shortness of breath from chest ...

  7. Norovirus Is Surging Across The Country. Here Are The ... - AOL

    www.aol.com/norovirus-surging-across-country...

    Norovirus cases are surging in the US, the CDC says. Here are the symptoms to look for, plus how long you're contagious for, per an infectious disease doctor.

  8. What to know about nervous system disease 'ataxia' - AOL

    www.aol.com/know-nervous-system-disease-ataxia...

    The most common symptoms of the disease "are balance and walking difficulties, clumsiness, vision changes, speech difficulties, swallowing difficulties and sometimes having difficulty controlling ...

  9. Sleep disorder - Wikipedia

    en.wikipedia.org/wiki/Sleep_disorder

    Sleep paralysis may be accompanied by visual, auditory or tactile hallucinations. It is not a disorder unless severe, and is often seen as part of narcolepsy. Sleepwalking or somnambulism, engaging in activities normally associated with wakefulness (such as eating or dressing), which may include walking, without the conscious knowledge of the ...