Doctors use UV light therapy to treat various common skin conditions, such as psoriasis and eczema. They consider it effective and safe, although it may cause short- and long-term side effects, ...

Exposure to ultraviolet radiation (UV) from the sun is one of the notable factors that affect the skin. Many people consider it non-poisonous and a much-wanted temporary tan. Nevertheless, prolonged ...

Scientists have long known that ultraviolet light can kill pathogens on surfaces and in air and water. UV robots are used to disinfect empty hospital rooms, buses and trains; UV bulbs in HVAC systems ...

A person can still get sunburn on a cloudy day, as a high percentage of ultraviolet (UV) light still penetrates through clouds. People should still try to protect their skin as they would on a sunny ...