NATIONAL CENTER FOR CASE STUDY TEACHING IN SCIENCE The Evolution of Human Skin Color by Annie Prud’homme-Généreux Life Sciences Quest University, Canada Part I – Skin Cancer “Stop it!” called Tatiana, playfully. Her boyfriend, Zach, was inspecting her skin very carefully. “Look,” he answered her, his voice taking on a more serious tone. “Today a woman walked into the clinic for her annual physical. Everything about her seemed fine. She leads a balanced lifestyle, she eats well, she exercises:
Words: 4390 - Pages: 18
skin cells (American Cancer Society 2009). UV light is thought to be the major risk factor for most skin cancers. You don’t just get UV light from the sun you also get UV light from tanning lamps and booths. People exposed to high levels UV light are at a greater risk for skin cancer. Nearly 30 million people use tanning bed in the US every year, 71 percent are young ladies between the ages 16-29.(Skin Cancer Foundation 2012). Different Types of Skin Caner There are three types of skin cancer basal
Words: 687 - Pages: 3
a darker complexion. Although your risks are decreased if you have a darker complexion you are still at risk for getting melanoma. If you have ever had a severe sunburn or blistered from one this can increase your risk of melanoma as an adult. Tanning beds have also been linked to melanoma cancer because of the ultraviolet (UV) lamp bulbs and UV rays from the sun will increase the risk of skin cancer, including melanoma. Another risk factor melanoma is geographical location. People who live in
Words: 571 - Pages: 3
Overexposure to the sun is a significant global health issue. The atmosphere provides a natural protection against harmful ultraviolet (UV) rays that are emitted by the sun. However, depletion of the ozone layer has decreased that natural protection, leading to many health problems as a result (United States Environmental Protection Agency, 2010). Skin cancers, premature aging, cataracts and other eye damage, and problems with the immune system are all problems associated with overexposure to
Words: 1212 - Pages: 5
1. 12019635 Health Promotion The provision of health information is firstly making people aware of what health is? Katz, Peberdy and Douglas (2000) suggest that there are differences in ways individuals and social groups define health, young people would say a person who is healthy is fit, energetic and has strength, whilst an older person is more likely
Words: 3516 - Pages: 15
Running head: CASE STUDY: SKIN CANCER 1 Case Study: Skin Cancer ITT Technical Institute Case Study: Skin Cancer 2 The skin is one of the largest organs in the body in surface area and weight. The skin consists of two layers: the epidermis and the dermis. Beneath the dermis lies the hypodermis or subcutaneous fatty tissue. The skin has three main functions: protection, regulation and sensation. The skin is an also an organ of protection
Words: 677 - Pages: 3
Herkirat Nirwal December 19th, 2016 Should Indoor Tanning Beds Be Banned? Indoor tanning has become a very popular and easy way to tan over the past few years. Over 25,000 Americans ages 18 and above have tanned using a bed in the year of 2010. Tanning beds are a machine that is used for body tanning. Tanning is a method that is used to make skin a different tone. Many people around the world today use tanning beds and most people probably aren’t aware of the facts behind it. These machines can
Words: 826 - Pages: 4
sick. Even though many people sun bathe, is it a good idea? This article will be about the benefits of an indoor tanning lotion. You will also read about a few tips on how to best keep yourself safe when trying to get a tan. Hopefully by the end of this article, you will be better informed about tanning in general. Let's first look at how tanning naturally works. The process of tanning is similar to how you toast your bread. If you sit in the sun long enough, it will "cook" your skin. Of course you
Words: 525 - Pages: 3
Fun in the Sun? Being in the sun can cause skin cancer. Then why do we keep sunbathing, when it is dangerous? That is a really good question! We humans love a good tan, it makes us stand out a little, and look different from the others. It also means that you have done something different than lying at home on a couch. You have been outside and maybe did some activities. When you think you look a little better, you get satisfaction and more confidence, and everybody loves that. All these things
Words: 545 - Pages: 3
Indoor Tanning vs. Outdoor Tanning You have two choices when it comes to getting a tan. You can either tan indoors or outdoors. While both can make you look good, they can also be dangerous to your health. Indoor tanning consists of a tanning bed with ultra violet light bulbs. Outdoor tanning consists of natural sunlight. There is a difference in the UV rays you get from both. Outdoor tanning in the sunlight you are exposed to a mixture of UVA and UVB rays. Indoor tanning you are typically only
Words: 529 - Pages: 3
