What are the different categories of the UV Index and their associated risks

Ultraviolet (UV) radiation from the sun is responsible for the adverse health effects of too much sun exposure on the human body. Though we might not notice it, our bodies feel the effects of UV radiation year-round. Long-wave ultraviolet A rays (UVA) and short-wave ultraviolet B rays (UVB) ... Nov 7, 2017 ... Ultraviolet radiation is invisible energy in the wavelength range from 100 to 400 nanometers (nm). A nanometer is one billionth of a meter. UV ... Ultraviolet radiation · UVA – Long-wavelength UVA covers the range 315–400 nm. Not significantly filtered by the atmosphere. · UVB – Medium-wavelength UVB ... Jul 24, 2024 ... UVA rays penetrate deeper into the skin, causing premature aging, while UVB rays primarily cause sunburn and are more harmful, leading to skin ... UVA rays are longest, in the 315 nm to 400 nm range; UVB are shorter in length, in the 280 nm to 315 nm range; and UVC are the shortest, in the 100 nm to 280 Conclusion. UVB light therapy for the treatment of a host of medical conditions is well-documented in literature. Studies show that UVB treatment is effective ... Mar 30, 2023 ... In this blog, we'll break down the different forms of UV rays and show you how choosing the right SPF can help you fight the signs of premature aging. Jun 6, 2023 ... UVA (aging) rays can cause premature skin aging such as wrinkles and age spots, while UVB (burning) rays are responsible for tanning and sunburn. Ultraviolet light · UVA rays are most intense in the morning and afternoon. These rays go right through window glass and can penetrate deeply into the skin.