We all love a sunny day, especially when traveling. The sun lifts our spirits, gives us vitamin D, warms us, lights our way and gives life. But the sun is a double-edged sword; it can cause sunburn, dehydration, heat stroke, drug reactions, premature aging of the skin and skin cancer.
The sun can do all this through electromagnetic radiation, primarily ultraviolet radiation, or UV. Most of the sun’s radiation is blocked by the ozone layer present in the Earth’s atmosphere, but as the...
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