Both UVA and UVB rays can damage your skin, just in different ways. One causes premature aging, the other is more prone to causing sunburn, DNA damage, and skin cancer.

UV radiation comes primarily from the sun and is made up of UVA, UVB, and UVC rays. UVC rays do not reach Earth, but both UVA and UVB rays pose health risks. Learn more here.

The effectiveness of UVA vs. UVB vs. UVC rays will vary when it comes to fighting the coronavirus. More in Technology. My Favorite Lesser-Known iOS 18.5 Features You Should Use Now. CNET.

As summer temperatures rise, the importance of protecting your skin from harmful UV rays becomes paramount. With a variety of ...

Factors That Affect Ultraviolet (UV) Risk. The American Cancer Society (ACS) suggests that several factors can influence the UV risk. These include: Time of day: UV rays are strongest in the ...

UVA vs. UVB rays in cars: What you need to know. Anyaberkut/Getty Images. Using a UVA light meter to check the ultraviolet protection capabilities of car window glass, ...

UV levels are measured on a scale known as the Ultraviolet Index (UVI), a standard, international measure of ultraviolet radiation. 'Understanding UV is very important' ...

Results: Irradiation with the 310 nm UVB-LED at 105 mJ/cm 2 showed 30–50% bactericidal activity to oral bacteria, though 17.1 mJ/cm 2 irradiation with the 265 nm UVC-LED completely killed the ...