What caused U.S. embassy employees in the Cuban capital of Havana to lose their hearing?
Reports are surfacing the U.S. embassy staff in Havana has suffered “mysterious physical symptoms,” one being hearing loss. Suggested causes included covert sonic devices.
Extremely high-power sound waves can disrupt or destroy the eardrums of a target and cause severe pain or disorientation. This is usually sufficient to incapacitate a person. Less powerful sound waves can cause humans to experience nausea or discomfort. The use of these frequencies to incapacitate persons has occurred both in counter-terrorist and crowd control settings. 
Whatever has caused health problems for U.S. embassy staff in Cuba puts this writer in mind of what also happens from microwave technology radiofrequency waves of which there are two types: thermal and non-thermal radiation waves.
The negative health effect from the thermal wave is heating of tissue or skin, whereas the non-thermal wave produces numerous mysterious physical symptoms, similar to what’s happened to the U.S. embassy employees in Cuba. Those non-thermal wave mysterious physical symptoms can include tinnitus and hearing impairment, plus a host of other health problems which have been referred to as electromagnetic hypersensitivity (EHS) or idiopathic environmental intolerance (IEI), the medical diagnosis.
Interestingly, the microwave industry professional associations don’t accept there are non-thermal wave adverse health effects, according to ICNIRP, especially. However, what’s rather scientifically interesting is that non-thermal effects of ultrasound are recognized and used in medicine. Ultrasound devices can operate within the frequency ranges of 20kHz up to several gigahertz (gHz).
Frequencies above 20,000 hertz are called ultrasound.
One of the negative effects of ultrasound is cavitation—the formation of bubbles in tissue, something that should not happen to developing fetuses brains and central nervous system from all the ultrasounds pregnant moms receive, in my opinion.
Some human studies also suggest harm… Single or small studies on humans exposed to ultrasound have shown that possible adverse effects include premature ovulation, preterm labor or miscarriage, low birth weight, poorer condition at birth, perinatal death, dyslexia, delayed speech development, and less right-handedness.Jul 15, 2011
However, what I want to point out is this: humans currently are exposed and subjected to a “sea of electrosmog” pollution with debilitating consequences, either immediate, as obvious with the embassy staff, or long-range, which occur from microwave radiofrequency non-thermal radiation waves.
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The Cuban incident prompts this writer to question if the proposed 5G and higher Wi-Fi in the sky and also being proposed for your local neighborhood street on poles will become the “straw that breaks the camel’s back” regarding mysterious physical symptoms escalating due to the cumulative and excessive use of utilities employing AMI Smart Meters with the ZigBee radios which use microwave networks; cell phone and mast towers; and other radiofrequency arrays that dot the landscape.
The article “New 5G Cell Towers and Smart Meters to Increase Microwave Radiation – Invade Privacy” explains more than we are being told.
Humans are bioelectromagnetic beings! Under health effects  we find this most revealing information:
[…] radio/microwave frequencies (RF) (10 MHz – 300 GHz) emitted by radio antennas and wireless networks have been well studied, the intermediate range (IR) used increasingly in modern telecommunications (300 Hz to 10 MHz) has been studied far less. [CJF emphasis]
Far less! Is there a calculated reason why they are not studied? That fact should be of great concern to everyone who depends upon all sorts of microwave technologies, as no studies have been done, as far as I know, on cumulative EMFs/RFs/ELFs and adverse health effects from constant exposures and the biological stresses of radiofrequencies.
 Weaver, Matthew (2009-09-25). “G20 protesters blasted by sonic cannon”. The Guardian. London. Retrieved 2010-05-23.
 “Watch: Shots reportedly fired, 141 arrested at Dakota Access Pipeline protests”. The Seattle Times. October 27, 2016. Retrieved 6 December 2016. From Wikipedia
Image Credit: Alexandre Meneghini / Reuters file / NBC News
Catherine J Frompovich (website) is a retired natural nutritionist who earned advanced degrees in Nutrition and Holistic Health Sciences, Certification in Orthomolecular Theory and Practice plus Paralegal Studies. Her work has been published in national and airline magazines since the early 1980s. Catherine authored numerous books on health issues along with co-authoring papers and monographs with physicians, nurses, and holistic healthcare professionals. She has been a consumer healthcare researcher 35 years and counting.
Catherine’s latest book, published October 4, 2013, is Vaccination Voodoo, What YOU Don’t Know About Vaccines, available on Amazon.com.
Her 2012 book A Cancer Answer, Holistic BREAST Cancer Management, A Guide to Effective & Non-Toxic Treatments, is available on Amazon.com and as a Kindle eBook.
Two of Catherine’s more recent books on Amazon.com are Our Chemical Lives And The Hijacking Of Our DNA, A Probe Into What’s Probably Making Us Sick (2009) and Lord, How Can I Make It Through Grieving My Loss, An Inspirational Guide Through the Grieving Process (2008)
Catherine’s NEW book: Eat To Beat Disease, Foods Medicinal Qualities ©2016 Catherine J Frompovich is now available