Ultraviolet light is a type of electromagnetic radiation that makes black-light posters glow, and is responsible for summer tans — and sunburns. However, too much exposure to UV radiation is damaging to living tissue.

Electromagnetic radiation comes from the sun and transmitted in waves or particles at different wavelengths and frequencies. This broad range of wavelengths is known as the electromagnetic (EM) spectrum. The spectrum is generally divided into seven regions in order of decreasing wavelength and increasing energy and frequency. The common designations are radio waves,microwaves, infrared (IR), visible light, ultraviolet (UV), X-rays and gamma-rays.  

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UV LIGHT

UV Light

Ultraviolet (UV) is electromagnetic radiation with wavelength from 10 nm (with a corresponding frequency of approximately 30 PHz) to 400 nm (750 THz), shorter than that of visible light but longer than X-rays. UV radiation is present in sunlight, and constitutes about 10% of the total electromagnetic radiation output from the Sun.  Consequently, the chemical and biological effects of UV are greater than simple heating effects, and many practical applications of UV radiation derive from its interactions with organic molecules.  Short-wave ultraviolet light damages DNA and sterilizes surfaces with which it comes into contact.  Source:  Wikipedia

UV Light and COVID-19

Mainlining disinfectants. Blasting the body with ultraviolet light—from the inside. President Donald Trump turned again Thursday to pushing tenuous findings during the coronavirus pandemic, touting an “emerging result” from the Department of Homeland Security that suggested sunlight and heat can weaken the spread of coronavirus.

But by the end of Thursday’s coronavirus task force briefing, questions over the findings had caused Trump to lash out at a reporter and go on the defensive after he suggested a range of bizarre—and downright dangerous—possible treatments based off the announcement.

Bill Bryan, who leads the science and technology directorate at the Department of Homeland Security, presented an “emerging result” from departmental research that suggested UV light, heat and humidity are detrimental to COVID-19.  Source:  Daily Beast

Despite the fact that the mainstream media is against President Trump, more and more healthcare providers and physicians from the CDC are claiming that higher temperatures and sunlight do seem to have a NEGATIVE AFFECT on Covid-19...