What is tanning? Tanning commonly occurs under the sun (UV) light exposure, when skin color becomes darkened, or tanning. However, natural sunlight or artificial UV …
UV light
What Is Light Therapy? How Does Is It Work? Pros, And Cons
What Is Light Therapy? Light therapy sometimes called phototherapy, involves exposing the patients to artificial light, during the Winter season to reduce SADly. Seasonal affective …