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Cancer causes:What are the warning signs of cancer?

What is Cancer?


Cancer is a condition where some of the cells of the body begin to divide uncontrollably and spread into surrounding parts of the body, destroying healthy neighboring tissues. Normally, body cells divide to form new cells to replace old or damaged cells as a natural process. In cancer, new cells begin to form rapidly even when they are not needed. They form growths called tumors. As these new cells continue to divide without stopping, some of these cancer cells break off and through the blood (or lymph) travel to other parts of the body and form new tumors.
Cancer causes
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Types of Cancer


The causes of cancer and the body part it affects determines the type of cancer. There is an extensive list of about 100 cancers in the world. We have short-listed a few common types.

These are the ten types of cancer that are common worldwide. This list includes: Cervical cancer, oral cancer, lung cancer, breast and prostate cancer, colorectal cancer, bladder cancer, melanoma, lymphoma, leukemia, and kidney cancer.

Risk factors for cancer


According to World Health Organization (WHO), common risk factors for cancer include:

✓Tobacco use
✓Alcohol use
✓Overweight and obesity
✓Dietary factors, including insufficient fruit and vegetable intake
✓Physical inactivity
✓Chronic infections from helicobacter pylori, hepatitis B virus (HBV), hepatitis C virus (HCV) and some types of human papilloma virus (HPV)
✓Environmental and occupational risks including ionizing and non-ionizing radiation

Warning signs of possible cancer include the following:


✓Unexplained weight loss
✓Fatigue
✓Night sweats
✓Loss of appetite
✓New, persistent pain
✓Recurrent nausea or vomiting
✓Blood in urine
✓Blood in stool (either visible or detectable by special tests)
✓A recent change in bowel habits (constipation or diarrhea)
✓Recurrent fever
✓Chronic cough
✓Changes in the size or color of a mole or changes in a skin ulcer that does not heal
✓Enlarged lymph nodes
✓A sore that does not heal
✓A growth or mark on the skin that gets larger or changes in appearance

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