The Sunless Tanning Guide: 47 total pages.

large amounts of time exposed to the sun in order to get their required amount of vitamin D and shouldn't. Because the body's health can suffer negative effects when it's exposed too long to the sun's rays, especially if it's unprotected. Results can vary from skin and eye damage to immune system suppression and ultimately cancer, even for the young. In a nutshell, let's look at the basic facts about sun exposure. There are three kinds of invisible ultraviolet (UV) rays in the sun that reaches earth: UVA, UVB, and UVC. When these rays come in contact with our skin, affects of UVA and UVB can be tans, burns and other reactions like acne and cancer. So we need to be proactive and protect our skin from harmful damage. It is notable that the effects of all UV rays are not the same. Depending upon the season, time of day and place on the planet in relation to the sun; i.e. your altitude and latitude, the rays' intensities vary. For example, during summertime, UV rays are at their strongest. Between 10 a.m. and 4 p.m., the rays are

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