Page 1 of 50 - About 500 Essays
  • Ultraviolet Light Lab Report

    Title: The effectiveness of different makeups at same SPF level at blocking ultraviolet light in normal daily lives. Group members participated in the experiment: Mathurra Siva, Julia Enriquez and Jindi Li Introduction Background information: Ultraviolet (UV) light is electromagnetic waves which travel at a same speed of 300000000 m per seconds through the space from the sun. UV light is crucial for the human’s body as it helps people to produce vitamin D. However, excess of UV light without protections can lead to sunburn, skin irritates and even skin cancer, melanoma. Human’s skin naturally blocks the UV light by producing melanin, a type of chemical and pigment, in the body when exposed to UV light. Melanin is produced by melanocytes which…

    Words: 1849 - Pages: 8
  • Why Is Ultraviolet Radiation (UV) So Harmful?

    sunshine and warmer temps comes intensified UV radiation, which can damage our skin and eyes. Why is Ultraviolet Radiation (UV) so Harmful? You’ve heard UV rays are bad, but did you know that the United States Department of Health and Human Services and the World Health Organization have declared them a carcinogen? You may also not be aware there are three different types of UV radiation, each emitting a different wavelength: UVA Radiation: That “A” on the end stands for aging, by the way! UVA…

    Words: 1474 - Pages: 6
  • Fake Tanning Research Paper

    Fake tanning is not as safe as what most people might think it is. Fake tanning in a tanning bed is just as bad as tanning in the sun, indoor tanning also exposes your skin to ultraviolet (UV) rays. Whether the UV rays are coming from a tanning bed or the sun they can still cause wrinkles, rashes and dark spots. The most dangerous types of UV rays can change the DNA in cells, which is what experts believe is the main cause of skin cancers.In the US, 35% of adults and 55% of college students have…

    Words: 252 - Pages: 2
  • Human Body Synthesis Essay

    The human body has evolved throughout time, adapting to the environment that they live in. The sun is part of the environment that everyone and anything is exposed to everyday, but the sun produces ultraviolet radiations that can damage the human skin and lead to skin cancer. Ultraviolet radiation is composed of three types of rays; ultraviolet A, ultraviolet B, and ultraviolet C. Ultraviolet C is the most dangerous type of radiation, but does not penetrate the earth’s ozone layer unlike…

    Words: 322 - Pages: 2
  • Essay On Tanning

    In Miyamuera’s (et al., 2010) study, the effects of various wavelengths of ultraviolet was compared through repeated exposure of human skin to suberythemal doses of ultraviolet A and/or ultraviolet B for two weeks. The study showed that in the ultraviolet B tanned skin; there was a higher melanin content and ultraviolet-protective effects against DNA damage as there was in the ultraviolet A tanned skin. The tanning from ultraviolet A was caused by the photooxidation of existing melanin and…

    Words: 710 - Pages: 3
  • Melanoma Case Study

    Damage to melanocytes occurs after overexposure to ultraviolet radiation from the sun or other sources such as solarium tanning machines, however areas not exposed to the sun have the potential to develop melanoma. Melanoma differs from other skin cancers by its appearance and colour as it often has an irregular edge or surface, and is usually a combination of brown, black, blue, red, white or light grey colours. Melanoma has the potential to spread deeper into the skin and metastasise into the…

    Words: 1145 - Pages: 5
  • Anonymous Cell Carcinoma Case Study

    Squamous cell carcinoma is the second most type of skin cancer, and is commonly caused by regular exposure to ultraviolet radiation. Squamous cell carcinoma is a slow-growing skin cancer, but it can spread to the tissues, bones, and lymph nodes where it can be hard to treat. Some factors make it more likely to develop squamous cell carcinoma including exposure to ultraviolet radiation, Bowen’s disease, and having a lighter skin complexion. More exposure to ultraviolet radiation whether it…

    Words: 355 - Pages: 2
  • Skin Color Evolution

    100 thousand years ago that was certainly not the case.[Bryce] The evolution of skin color over the past 100 thousand years is due to the combination of three factors: skin exposure, ultraviolet rays, and Vitamin D. [Jablonski and Chaplin] These factors attribute to the wide spectrum of skin colors seen across the globe and explains why in Senegal, Africa there are some of the darkest skin pigments, but just 2700 miles north in Ireland, the palest skin pigments can be observed. While many of the…

    Words: 1489 - Pages: 6
  • The Role Of UVR In Skin Cancer

    non-melanoma skin cancers. The most common methods of reducing UVR exposure include sunscreens, shade seeking, sun avoidance and skin coverage via clothing and hats.2 In the future, skin cancer prevention may be acquired through dietary supplementation. In a recent article in the journal of Demato-Endocrinology, the authors discuss the link between low serum levels of 25-hydroxyvitamin D3 with development of melanoma lesions of thicker size and overall poorer prognosis.4 There are a limited…

    Words: 1519 - Pages: 7
  • Tanning Salons

    statement and has grown in popularity exponentially throughout the more recent years. Tanning is the process of the changing in color of the skin’s pigmentation as a result of being exposed to ultraviolet radiation (Driscoll and Darcy 59). Now, tanning salons have spread to the likings of minors who are damaging their skin at an early stage of their lives. This has become a problem that has sprung many controversial issues throughout society and is now a legal matter. Should minors be allowed to…

    Words: 1380 - Pages: 6
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