Sunlight is an essential component to all living things. Tanning is a totally natural process that your body is designed for. There are both biological and psychological reasons that tanningis beneficial. Tanning indoors gives you the control to protect yourself against health risks associated with outdoor tanning-because outdoors, you have less control of sun exposure. Tanning can be helpful for people with Psoriasis or Eczema. Sunlight is also a primary source for Vitamin D, which in itself has significant health benefits.