UVC, UVB And UVA - Do You Know The Difference?

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UVC, UVB and UVA - Do You Know The Difference?

We all know that the sun causes a lot of damage to the body. As well as the risk of skin cancer and other diseases, there is also the risk of burning and premature ageing. If we do not protect ourselves properly we are putting our health at an unnecessary risk.

So just how much do you know about the sun and the dangers of Sun Light? Obviously we are warned all the time, but do you understand why the suns rays? Do you know which one out of UVC Light, UVB or UVA is worse for you? Thought not!

The Difference between UVC, UVB and UVA Radiation

The sun gives off various different levels of radiation and they are categorized into three main groups.

These are:

UVC

UVC does not bother the skin at all as it is all soaked up into the ozone layer. This type of radiation is also found in things such as ultraviolet germicidal lamps and mercury arc lamps.

UVB

This type of radiation does affect the skin and its main target is the epidermis, or the outer layers. This is the main radiation which causes sunburn and it is usually at its strongest between 10.00am and 2.00pm. This is generally when the sun is at its brightest and in the summer months this type of radiation accounts for up to 70% of a person's annual UVB dose. As strong as it is, it cannot travel through glass.

UVA

UVA radiation is a main contributor to skin cancer. It used to be thought that it was actually only a minor problem for the skin, but studies have shown that it is in fact quite severe. This is because it goes deeper into the skin than USB radiation and it often is more constant throughout the year. This type of radiation also cannot go through glass.

 

 

The Damage They Can Cause

As well as skin cancer, the suns radiation can also cause problems with the eyes including cataracts and other eye damage. It can also affect the immune system and stop it from working properly.

Too much sun exposure can also cause problems with the texture of the skin. It can often become either thicker or thinner due to the radiation. Thicker skin generally appears with wrinkles, especially at the back of the neck. Thinner skin tends to create fine lines and it bruises a lot easier too.

The blood vessels are also affected by the sun and the walls of the vessels often become thinner. This usually leads to bruising and sometimes the appearance of tiny blood vessels can occur on the face.

Bumps in the skin may also appear, especially moles. These do have to be kept an eye on though as they could become cancerous. Lesions and other bumps can also make an appearance and again they need to be kept an eye on.

The Various Strengths of UV Radiation

The suns radiation is not always really strong. You can usually tell how high the levels are going to be on your local weather forecast. They are mainly given out during the summer months so that you know which strength sunscreen to buy, however they do sometimes give them out in cooler months too. The higher the radiations, the more chance of getting burnt you have, and the higher protection factor you will need.

Various things can affect the radiation levels and if there is snow on the ground for example, a lot of radiation bounces off the snow and it can go straight into the body. The cloud cover makes a difference too, as does the height of the sun. If the sun is really high in the sky the UV levels will also be really high.

Overall various factors affect the UV levels and you should always check to see which protection factor strength you will need. The sun's radiation can really do our skin some damage so it is better to cover up than to grow old too quickly and develop various skin problems!

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