A member asked:

Is it possible to get a source of uvb rays without uvas, either by filtering or some kind of light? and can yu get too many uvbs?

A doctor has provided 1 answer
Dr. David Krulak answered

Specializes in Family Medicine

UVB rays cause skin reddening and sunburn, and damage to the skin's more superficial epidermal layers. They play a key role in the development of skin cancer (though the less dangerous forms) and a contributory role in photoaging. So it is certainly possible to get too much UVB.

Answered Jul 9, 2014

3.9k views

Thank

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