Why are UV rays dangerous?
The Sun emits visible light, heat, & Ultraviolet (UV) radiation. Getting some sun, or UV exposure, is necessary for the production of Vitamin D (essential for bone health). However, excessive UV exposure is associated with sunburn, accelerated skin aging, eye diseases, & skin cancers. Your UV exposure depends on the strength of the rays, the length of time the skin is exposed, & if the skin is protected with clothing or sunscreen.