By Suzanne Dixon, MPH, RD. Updated June 27, 2016. Learn how to prepare for colon cancer screening during the day before your scheduled examination. The day before a colonoscopy, you will begin having only clear liquids, starting with either lunch or dinner.
In addition, UV light stimulates melanin cells in skin, causing them to darken; when this happens, you have a tan. Unfortunately, there is no such thing as a safe tan. The UV light that burns or tans you damages skin cells in ways that can accelerate skin aging, and even increase your risk of developing skin cancer. There are two kinds of UV light: Ultraviolet A (UVA) and ultraviolet B (UVB).
Question: What kinds of things happen to our skin as we get older? Answer: There are many things that happen to our skin as we age. Firstly, the collagen in our skin, that is, the supportive structure, starts to break down and it's more difficult for our skin to build it back up again. Also, the supportive subcutaneous fat, which supports our skin, we tend to lose that with age. This makes our skin much thinner.