The exceeded food causes the growth of algae, bacteria, parasites, viruses and other microorganisms, making the water less clear and full of bad odors. A UV light can clean the water up, keeping a ...
Light therapy for psoriasis is an effective treatment. Ultraviolet (UV) light therapy (phototherapy) involves exposing the skin to controlled amounts of UV radiation similar to that from the sun. It ...
Information on ultraviolet (UV) radiation is essential for our lives under the Australian sun. We have one of the highest levels of UV exposure and highest rates of skin cancer in the world. Sun ...