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Stomach cancer some possible causes

Source: www.betterhealth.vic.gov.au
Topic: Stomach
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Sort Desciption: Stomach cancer is more common in developing nations, while becoming less common in Western countries including Australia. At present, stomach cancer is still the fourth most common cause of death from cancer. ...

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Stomach cancer is more common in developing nations, while becoming less common in Western countries including Australia. At present, stomach cancer is still the fourth most common cause of death from cancer. There appear to be two types of gastric cancer. One type of gastric cancer is associated with infection by the Helicobacter pylori (H. pylori) bacterium. The H. pylori germ commonly lives in the lining of the stomach in up to four out of 10 adults. It is now known to be responsible for most duodenal ulcers and over two thirds of stomach ulcers. It also triggers symptoms like indigestion. H. pylori is always associated with superficial gastritis and, sometimes, with chronic atrophic gastritis, which can lead to the development of stomach cancer. However, only a minority of people infected with this bacterium ever develop gastric cancer. Another type of gastric cancer is not associated with Helicobacter pylori. It is less common, but becoming more so. The cause of this second type is unknown, although reflux acid regurgitation into the upper stomach and oesophagus (swallowing tube) and obesity are thought to be important risk factors. Stomach cancer is curable if detected early, but most people dont seek medical help until the disease is quite advanced, possibly because symptoms occur late and are often vague and nonspecific. Slightly more men than women develop stomach cancer. It can occur in young ...

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