Tanning is a result of skin repairing itself due to exposure of UVB and UVA rays, whether it be from direct sunlight or artificial means. When the skin receives UVA rays, it oxidizes the melanin that is already present on the skin. The result is a darker color appearing on the skin. When the UVB rays are absorbed by the skin, damage occurs and melanin is produced, making the skin even darker. This is the reason that tanned skin will be darker 2 or 3 days after exposure. http://www.tanningtraining.com/btc/ch4.html?prodid=2
While tanning can be dangerous, while done in moderation and properly it can be done by much safer means. Is it more dangerous to get a slow gradual glow from a sun booth or chance getting burned by natural sunlight? This is a question that stumps many people. While tanning does increase the chances of basal cell carcinoma, squamous carcinoma and malignant melanoma, as well as serious burns. http://www.skincancer.org/The-Dangers-of-Tanning.html Tanning has been around since the dawn of time. However, it’s only become a trend in the early 1900's, and steadily increased from then on.
Tanning Background
Tanning of the skin, up until the Victorian period was a way of distinguishing class. A tan would indicate someone of working or low class, as they would receive sun from working outdoors and not having covered means of transportation. A wealthy individual would go to great measures to keep a porcelain complexion, some that would even prove to be deadly. Times have changed and tanning has become more of a trend even if it does promote skin cancer and premature aging. http://www.skincarephysicians.com/agingskinnet/basicfacts.html
Tanning Uses
People tan for different personal reasons. Some people believe it enhances their physical appearance.. It is even believed that having a tan can make a person appear healthier and thinner. It’s not uncommon to get a tan to avoid burning from working outdoors or taking vacations.
Other reasons for tanning, involved medical reasons such as: psoriasis, acne and vitamin D deficiency. It’s not uncommon to use a tan to mask the appearance of scars and stretch marks.
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A tanning tax has been voted on by the U.S. Senate, which places a 10% tax on tanning visits for the pending health bill. This tax was put in place of the earlier proposed Botox tax, which has now been dropped. This proposed tanning tax becomes effective as of July 1, 2010 as part of the new Health Care Reform.