UVA vs. UVB Rays: What’s the Difference? - Healthline
2024年5月23日 · UVB rays damage the outermost layers of your skin. They directly damage DNA. UVB rays cause most skin cancers, but they can also contribute to skin aging prematurely.
What’s the difference between UVA and UVB rays?
UVB damages skin cells and causes DNA mutations that can eventually lead to melanoma and other types of skin cancer. UVB radiation from the sun also can cause cataracts. Cataracts happen when proteins in your eye lens get damaged. The proteins start to collect pigments that cloud your vision.
What's the Difference Between UVA and UVB Rays? - WebMD
2023年7月24日 · UVA and UVB Rays are different types of a form of energy called ultraviolet (UV) radiation commonly seen as sunlight. Both UVA and UVB rays can cause harm to the skin.
What is the difference between UVA and UVB rays?
There are two basic types of ultraviolet rays that reach the earth’s surface—UVB and UVA. UVB rays are responsible for producing sunburn. The UVB rays also play the greatest role in causing skin cancers, including the deadly black mole form of skin cancer (malignant melanoma).
UV Rays: Types of Ultraviolet Rays; UVA, UVB, UVC and Cancer
2022年10月20日 · The sun's damaging ultraviolet (UV) rays are a primary cause of skin cancer. Learn more about the types of ultraviolet rays (UVA, UVB, and UVC) and their sources.
Ultraviolet Radiation | Radiation and Your Health | CDC
2024年2月15日 · UV radiation is classified into three primary types: ultraviolet A (UVA), ultraviolet B (UVB), and ultraviolet C (UVC), based on their wavelengths. Almost all the UV radiation that reaches earth is UVA though some UVB radiation reaches earth.
Radiation: Ultraviolet (UV) radiation - World Health Organization …
Just as visible light consists of different colours that become apparent in a rainbow, the UV radiation spectrum is divided into three regions called UVA, UVB and UVC. As sunlight passes through the atmosphere, all UVC and most UVB is absorbed by …
Ultraviolet (UV) Radiation: What It Is & Its Effect on Your Skin
2022年11月16日 · Ultraviolet (UV) radiation is a form of energy that the sun produces. You can’t see UV radiation because its wavelengths are shorter than visible light. The UV energy that the sun produces reaches the Earth and provides vitamin D for your body to help you survive.
Facts About Ultraviolet Radiation | Radiation and Your Health
2024年2月20日 · Ultraviolet (UV) radiation is a form of non-ionizing radiation that is emitted by both natural and artificial sources. There are both benefits and risks to UV radiation. You should always protect yourself from over-exposure to reduce your risk of …
What is UV radiation and how does it affect health? - Medical News Today
2023年8月24日 · 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.