What are the five most common modifiable risk factors of 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 4 uncontrollable risk factors for cancer?

Cancer risk factor facts*

The most common risk factors for cancer include aging, tobacco, sun exposure, radiation exposure, chemicals, and other substances, some viruses and bacteria, certain hormones, family history of cancer, alcohol, poor diet, lack of physical activity, or being overweight.

Which race gets skin cancer the most?

Skin cancer is the most common malignancy in the United States and represents ~ 35–45% of all neoplasms in Caucasians (Ridky, 2007), 4–5% in Hispanics, 2–4% in Asians, and 1–2% in Blacks (Halder and Bridgeman-Shah, 1995; Gloster and Neal, 2006).

Can you have melanoma for years and not know?

How long can you have melanoma and not know it? It depends on the type of melanoma. For example, nodular melanoma grows rapidly over a matter of weeks, while a radial melanoma can slowly spread over the span of a decade. Like a cavity, a melanoma may grow for years before producing any significant symptoms.

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Who is most at risk of skin cancer?

People who live in areas with bright, year-round sunlight, or those who spend a lot of time outdoors without protective clothing or sunscreen, are at greater risk. Early exposure, particularly for people who had frequent sunburns as a child, also increases skin cancer risks.

What percentage of cancer is due to lifestyle?

Approximately 42 percent of cancer cases and 45 percent of cancer deaths in the United States are linked to lifestyle related risk factors including excess weight, poor diet and physical inactivity according to a study released last week.

What are the 7 warning signs of cancer?

Signs of Cancer

  • Change in bowel or bladder habits.
  • A sore that does not heal.
  • Unusual bleeding or discharge.
  • Thickening or lump in the breast or elsewhere.
  • Indigestion or difficulty in swallowing.
  • Obvious change in a wart or mole.
  • Nagging cough or hoarseness.

What actually causes cancer?

Cancer is caused by changes (mutations) to the DNA within cells. The DNA inside a cell is packaged into a large number of individual genes, each of which contains a set of instructions telling the cell what functions to perform, as well as how to grow and divide.