Cancer And Treatment
Cancer may be a group of diseases involving abnormal
cell growth with the potential to invade or spread to other parts of the body. These contrast with benign tumors, which don't spread. Possible signs and symptoms include a lump, abnormal bleeding, prolonged cough, unexplained weight loss, and a change in bowel movements. While these symptoms may indicate cancer, they will even have other causes. Over 100 sorts of cancers affect humans. Tobacco use is that the explanation for about 22% of
cancer deaths. Another 10% are thanks to obesity, poor diet, lack of
physical activity or excessive drinking of alcohol. Other factors include certain infections, exposure to radiation and
environmental pollutants. within the developing world, 15% of cancers are infections like Helicobacter pylori,
hepatitis B ,
hepatitis C ,
human papillomavirus infection, Epstein–Barr virus and human
immunodeficiency virus (HIV). These factors act, a minimum of partly, by changing the genes of a cell. Typically, many genetic changes are required before
cancer develops. Approximately 5–10% of cancers are thanks to inherited genetic defects from an individual's parents.
Cancer are often detected by certain signs and symptoms or
screening tests. it's then typically further investigated by
medical imaging and confirmed by biopsy.
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