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The Benefits and Risks of Ultraviolet Light for Sterilization and Health

September 13, 2023

Ultraviolet light is a type of electromagnetic radiation

The fundamental source of both summer tans and sunburns is ultraviolet radiation, which includes both UVA and UVB rays. UV radiation can have serious consequences for the human body, so it is critical to take care to protect the skin. Excessive sun exposure can cause premature aging, wrinkling, and even an increased chance of getting skin cancer. It is therefore critical to use sun protection strategies such as broad-spectrum sunscreen, seek cover when the sun is at its greatest, and wear protective clothes, hats, and sunglasses at all times. Given that UV radiation can be harmful to living tissue, it is critical to strike a balance between enjoying the sun and protecting our health.

 

 

The human eye cannot perceive ultraviolet light. However, certain insects can see UV light. UV light is used by our bodies to produce vitamin D. When exposed to too much ultraviolet light, it can be extremely hazardous, causing cancer.

 

When ultraviolet light strikes certain materials, it can cause them to glow. It emits lower-energy electromagnetic radiations, such as visible light. When ultraviolet light interacts with particular chemicals, it can cause fluorescence. This phenomena arises as a result of the emission of lower-energy electromagnetic radiations, such as visible light.

 

Divisions of ultraviolet light:

Three divisions have been established based on the interaction of UV radiation wavelengths with biological materials:

 

1. UVA (Ultraviolet A): This division has the largest wavelength, ranging from 320 to 400 nanometers. UVA radiation penetrates the skin the most deeply and is primarily responsible for aging and wrinkling. This form of UV radiation is also employed in tanning beds.

2. UVB (Ultraviolet B): UVB radiation has a wavelength range of 280 to 320 nanometers and affects the skin's surface layers. It is the leading cause of sunburns and has a significant role in the development of skin cancer. When the sun is at its highest position in the sky, UVB rays are at their strongest.

3. UVC (Ultraviolet C): This division has the shortest wavelength, ranging from 100 to 280 nanometers. UVC light, fortunately, is primarily absorbed by the Earth's atmosphere and does not reach the surface. It is extremely germicidal and is frequently used for disinfection.

 

Understanding the many types of ultraviolet radiation is critical for protecting ourselves from their damaging consequences. We can reduce the hazards connected with UV radiation by taking precautions such as wearing sunscreen, protective clothes, and avoiding excessive sun exposure.

 

UV light can effectively kill airborne influenza:

UV light has been shown to be extremely effective in the elimination of airborne influenza. This potent instrument may effectively eliminate bacteria while still protecting human organs. According to a study described in the linked article (source), broad-spectrum germicidal UV radiation with wavelengths spanning from 200 to 400 nanometers is astonishingly effective in destroying bacteria, germs, and viruses. This is accomplished by breaking the molecular connections that hold the DNA together. With these outstanding results, it is apparent that UV radiation is a vital tool in the fight against influenza spread.

 

This type of UV radiation is commonly used to sanitize medical equipment. Traditional germicidal UV is likewise hazardous to human health. It has the potential to cause skin cancer.

 

Brenner and his colleagues theorized that a narrow spectrum of ultraviolet light known as far-UVC may kill germs while causing no harm to healthy tissue.

UVC radiation has a relatively narrow wavelength range and cannot penetrate the outer dead cell layer of human skin or the tear layer of the eye. It is, however, not hazardous to human health.

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