UV rays are classified according to wavelength: UVA (longest wavelength), UVB (medium wavelength), and UVC (shortest wavelength). Here are some important facts about ultraviolet A (UVA ...

Ultraviolet (UV) radiation is a component of sunlight that has significant effects on both the environment and human health. It is divided into three categories: UVA, UVB, and UVC, with UVB being ...

New research suggests moderate sun exposure offers health benefits, challenging traditional protection guidelines and changing public perception.

New research from the University of Copenhagen and NTU Singapore reveals that RNA damage, rather than DNA, plays a primary role in the skin’s immediate response to UV radiation. This RNA damage ...

Breaking out in a rash after exposure to sunlight is not uncommon – here’s what you need to know about sun allergy.

You can apply sunscreen to psoriasis plaques to prevent sunburn, but, if the plaques from psoriasis are inflamed or cracked ...