before it reaches the ground. However, ultraviolet light (specifically, UVB) is also responsible for the formation of vitamin D in most land vertebrates...

UVB-76 (Russian: УВБ-76; , also known by the nickname "The Buzzer", is a shortwave radio station that broadcasts on the frequency of 4,625 kHz. It broadcasts...

compared to the UV-A lamps that are used in tanning beds. The main use of UVB lamps is as phototherapy lamp, meaning treating skin diseases with light...

taken as a dietary supplement. Cholecalciferol is made in the skin following UVB light exposure. It is converted in the liver to calcifediol (25-hydroxyvitamin...

first be produced, and this requires UVB exposure (as present in natural sunlight, or sunlamps that produce UVB).[citation needed] The ultraviolet frequencies...

are two main treatments: UVB that is the most common, and PUVA. There are four UVB types of lamps: Fluorescnt Broad-Band UVB that emit 280-330 nanometer...

quality of the evidence is not very good compared with narrowband UVB, and UVA1. However, UVB is more effective than UVA1 for treatment of atopical dermatitis...

The extended conjugation of the acrylate portion of the molecule absorbs UVB and short-wave UVA (ultraviolet) rays with wavelengths from 280 to 320 nm...

of UVB, leading to burns. Friedrich Wolff, a German scientist, began using UV light on athletes, and developed beds that emitted 95% UVA and 5% UVB, which...

exposure to sunlight, particularly sunlight with adequate ultraviolet B rays (UVB). Vitamin D deficiency can also be caused by inadequate nutritional intake...