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2. Helicobacter pylori - Wikipedia

   en.wikipedia.org/wiki/Helicobacter_pylori

   Stomach cancer can cause nausea, vomiting, diarrhoea, constipation, and unexplained weight loss. [70] Gastric polyps are adenomas that are usually asymptomatic and benign, but may be the cause of dyspepsia, heartburn, bleeding from the stomach, and, rarely, gastric outlet obstruction. [61] [71] Larger polyps may have become cancerous. [61]

3. Carcinogenic bacteria - Wikipedia

   en.wikipedia.org/wiki/Carcinogenic_bacteria

   Bacteria involved in causing and treating cancers. Cancer bacteria are bacteria infectious organisms that are known or suspected to cause cancer. [1] While cancer-associated bacteria have long been considered to be opportunistic (i.e., infecting healthy tissues after cancer has already established itself), there is some evidence that bacteria may be directly carcinogenic.

4. Infectious causes of cancer - Wikipedia

   en.wikipedia.org/wiki/Infectious_causes_of_cancer

   The Papanicolaou smear ("Pap" smear) is a widely used cancer screening test for cervical cancer. DNA-based tests to identify the virus are also available. [12] Herpesviruses are a third group of common cancer-causing viruses. Two types of herpesviruses have been associated with cancer: the Epstein–Barr virus (EBV) and human herpesvirus 8 (HHV ...

5. Stomach cancer - Wikipedia

   en.wikipedia.org/wiki/Stomach_cancer

   Stomach cancer, also known as gastric cancer, is a malignant tumor of the stomach. It's a cancer that develops in the lining of the stomach . [ 10 ] Most cases of stomach cancers are gastric carcinomas , which can be divided into a number of subtypes, including gastric adenocarcinomas . [ 2 ]

6. Norovirus, aka stomach flu, on the rise in the US: Know these ...

   www.aol.com/news/cdc-data-show-stomach-flu...

   Norovirus, a highly contagious stomach bug that causes diarrhea and vomiting, is on the rise across the United States. Also known as the "stomach flu" or winter vomiting bug, norovirus is very ...

7. Tumor of the stomach - Wikipedia

   en.wikipedia.org/wiki/Tumor_of_the_stomach

   The stomach is an organ of the gastrointestinal tract that sits in the abdomen. [1] Tumors of the stomach are known as gastric tumors, and can be either benign or malignant (gastric cancer). These tumors arise from the cells of the gastric mucosa which lines the stomach. Typically, most gastric tumors are cancerous and not detected until a ...