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What is the difference between UVA and UVB wavelengths?

April 26, 2017UVa UVB wavelengths

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What is the difference between UVA and UVB wavelengths?

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The sun’s rays consist of two types of harmful rays, UVA and UVB. UVB rays are the sun’s burning rays and are the primary cause of sunburn and skin cancer. UVA rays penetrate the base layer of the skin and can also cause sunburn and skin cancer. Both UVA and UVB rays can cause suppression of the immune system, which reduces its ability to protect you from the development and spread of skin cancer.