Which environmental factor is the largest cause for skin cancer?

Ultraviolet radiation (UVR) derived from sun exposure is well-known to be the most important cause of skin cancer. Sunburn and excessive exposure to sun and tanning lamps are responsible for cumulative damage, which induces immunosuppression that is involved in the pathogenesis of skin cancer.

What is the biggest cause of skin cancer?

Ultraviolet (UV) radiation from the sun is the number one cause of skin cancer, but UV light from tanning beds is just as harmful. Exposure to sunlight during the winter months puts you at the same risk as exposure during the summertime.

What skin types and environmental factors increase the risk of skin cancer?

People with a fair complexion, blond or red hair, blue eyes, and freckles are at increased risk for developing skin cancer. People whose skin has a tendency to burn rather than tan also have an increased risk.

What are the common causes of skin cancer?

The two main causes of skin cancer are the sun’s harmful ultraviolet (UV) rays and the use of UV tanning beds. The good news is that if skin cancer is caught early, your dermatologist can treat it with little or no scarring and high odds of eliminating it entirely.

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What are all the causes of skin cancer?

Factors that may increase your risk of skin cancer include:

  • Fair skin. Anyone, regardless of skin color, can get skin cancer. …
  • A history of sunburns. …
  • Excessive sun exposure. …
  • Sunny or high-altitude climates. …
  • Moles. …
  • Precancerous skin lesions. …
  • A family history of skin cancer. …
  • A personal history of skin cancer.

What are environmental factors that cause skin cancer?

Ozone depletion, levels of UV light, latitude, altitude, and also weather conditions, influence the emission of UV radiation reaching the earth’s surface. Moreover, environmental pollutants, chemical carcinogens and occupational exposures to carcinogens have been related to skin cancer.

What is the greatest risk factor for skin cancer quizlet?

Sun exposure.

Exposure to ultraviolet (UV) radiation from the sun plays a major role in the development of skin cancer. People who live at high altitudes or in areas with bright sunlight year-round have a higher risk of developing skin cancer.

What is the single most common risk factor for skin cancer?

Exposure to ultraviolet (UV) rays is thought to be the major risk factor for most skin cancers. Sunlight is the main source of UV rays. Tanning beds are another source of UV rays.

What are the five most common modifiable risk factors of skin cancer?

What Are the Risk Factors for Skin Cancer?

  • A lighter natural skin color.
  • Skin that burns, freckles, reddens easily, or becomes painful in the sun.
  • Blue or green eyes.
  • Blond or red hair.
  • Certain types and a large number of moles.
  • A family history of skin cancer.
  • A personal history of skin cancer.
  • Older age.
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What is the main reason for skin cancer Mcq?

Explanation: Excessive exposure to sunlight is the main cause of skin cancer. Sunlight contains ultraviolet (UV) rays that can alter the genetic material in skin cells, causing mutations.