{"id":5594,"date":"2024-11-08T11:44:40","date_gmt":"2024-11-08T06:14:40","guid":{"rendered":"https:\/\/www.edhacare.com\/blogs\/?p=5594"},"modified":"2025-08-27T15:26:06","modified_gmt":"2025-08-27T09:56:06","slug":"what-causes-stomach-cancer","status":"publish","type":"post","link":"https:\/\/www.edhacare.com\/blogs\/what-causes-stomach-cancer\/","title":{"rendered":"What Causes Stomach Cancer?","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Stomach cancer or gastric cancer is a challenging disease. Though a serious health concern, it is a battle that can be fought and won. While it is a common type of cancer, particularly in certain parts of the world, understanding its causes and risk factors is the first step towards prevention and early detection.<\/span><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_74 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #2878bf;color:#2878bf\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #2878bf;color:#2878bf\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.edhacare.com\/blogs\/what-causes-stomach-cancer\/#what_is_stomach_cancer\" >What is Stomach Cancer?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.edhacare.com\/blogs\/what-causes-stomach-cancer\/#what_are_the_causes_of_stomach_cancer\" >What are the Causes of Stomach Cancer?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.edhacare.com\/blogs\/what-causes-stomach-cancer\/#hereditary_and_genetic_factors\" >Hereditary and Genetic Factors<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.edhacare.com\/blogs\/what-causes-stomach-cancer\/#helicobacter_pylori_infection\" >Helicobacter pylori Infection\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.edhacare.com\/blogs\/what-causes-stomach-cancer\/#dietary_related_factors\" >Dietary Related Factors\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.edhacare.com\/blogs\/what-causes-stomach-cancer\/#roles_of_smoking_and_alcohol_habits\" >Roles of Smoking and Alcohol Habits<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.edhacare.com\/blogs\/what-causes-stomach-cancer\/#epstein-barr_virus_infection\" >Epstein-Barr Virus Infection<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.edhacare.com\/blogs\/what-causes-stomach-cancer\/#how_to_prevent_stomach_cancer\" >How to Prevent Stomach Cancer?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.edhacare.com\/blogs\/what-causes-stomach-cancer\/#increased_intake_of_vegetables_and_fruits\" >Increased Intake of Vegetables and Fruits<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.edhacare.com\/blogs\/what-causes-stomach-cancer\/#eradication_of_h_pylori\" >Eradication of H. pylori\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.edhacare.com\/blogs\/what-causes-stomach-cancer\/#alteration_of_lifestyle\" >Alteration of Lifestyle<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.edhacare.com\/blogs\/what-causes-stomach-cancer\/#endoscopy_screening\" >Endoscopy Screening<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.edhacare.com\/blogs\/what-causes-stomach-cancer\/#conclusion\" >Conclusion<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.edhacare.com\/blogs\/what-causes-stomach-cancer\/#faqs\" >FAQs<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.edhacare.com\/blogs\/what-causes-stomach-cancer\/#what_are_the_first_warning_signs_of_stomach_cancer\" >What are the first warning signs of stomach cancer?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.edhacare.com\/blogs\/what-causes-stomach-cancer\/#who_mostly_gets_stomach_cancer\" >Who mostly gets stomach cancer?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.edhacare.com\/blogs\/what-causes-stomach-cancer\/#what_is_the_common_cause_of_stomach_cancer\" >What is the common cause of stomach cancer?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.edhacare.com\/blogs\/what-causes-stomach-cancer\/#is_stomach_cancer_painful\" >Is stomach cancer painful?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.edhacare.com\/blogs\/what-causes-stomach-cancer\/#is_stomach_cancer_curable\" >Is stomach cancer curable?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.edhacare.com\/blogs\/what-causes-stomach-cancer\/#does_stomach_cancer_cause_death\" >Does stomach cancer cause death?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"what_is_stomach_cancer\"><\/span><span style=\"font-weight: 400;\">What is Stomach Cancer?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\"><a href=\"https:\/\/www.edhacare.com\/treatments\/cancer\/stomach\">Stomach cancer<\/a> starts in the cells which line the stomach. It has been reported to be the fifth most common cancer in the world with an incidence of about one million new cases. The cases of stomach cancer are observed twice as many times in males than in females.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Stomach cancer is classified in the following two subsites, which differ in their patterns and symptoms:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Cardia stomach cancer which arises from the upper stomach<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Noncardia stomach cancer which arises from the other parts of the stomach<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"what_are_the_causes_of_stomach_cancer\"><\/span><span style=\"font-weight: 400;\">What are the Causes of Stomach Cancer?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone wp-image-5596 size-full\" src=\"https:\/\/www.edhacare.com\/blogs\/wp-content\/uploads\/2024\/11\/Causes-Stomach-Cancer.jpg\" alt=\"What Causes Stomach Cancer\" width=\"768\" height=\"432\" srcset=\"https:\/\/www.edhacare.com\/blogs\/wp-content\/uploads\/2024\/11\/Causes-Stomach-Cancer.jpg 768w, https:\/\/www.edhacare.com\/blogs\/wp-content\/uploads\/2024\/11\/Causes-Stomach-Cancer-300x169.jpg 300w, https:\/\/www.edhacare.com\/blogs\/wp-content\/uploads\/2024\/11\/Causes-Stomach-Cancer-150x84.jpg 150w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">A variety of factors contribute to the development of stomach cancer. Some of these are explained in detail below.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"hereditary_and_genetic_factors\"><\/span><span style=\"font-weight: 400;\">Hereditary and Genetic Factors<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Genetic factors are also reported to play a role in the development of stomach cancer. They affect the inflammatory and immune response of the body thus altering the body\u2019s susceptibility to stomach cancer. An individual with a family history of stomach cancer has a higher chance of getting stomach cancer.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">People with a family history of stomach cancer are more likely to get it themselves. This is especially true if:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Two or more close relatives (parents, siblings, children) have had stomach cancer<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">At least one of these relatives was diagnosed before the age of 50 years<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Three or more close relatives have had stomach cancer, regardless of age<\/span><\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"helicobacter_pylori_infection\"><\/span><i><span style=\"font-weight: 400;\">Helicobacter pylori <\/span><\/i><span style=\"font-weight: 400;\">Infection\u00a0<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong><i>Helicobacter pylori <\/i>(<i>H. pylori<\/i><\/strong><span style=\"font-weight: 400;\"><strong>)<\/strong> has been identified as the main risk factor for stomach cancer. The bacteria may spread from one person to another via direct contact with saliva, vomit, or stool. People with H. pylori infection may not have noticeable symptoms initially but some of them may develop stomach ulcers or inflammation of the stomach.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"dietary_related_factors\"><\/span><span style=\"font-weight: 400;\">Dietary Related Factors\u00a0<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">If your intake of salted foods is more, then you are at a higher risk of H. pylori infection. Infection with <\/span><i><span style=\"font-weight: 400;\">H. pylori<\/span><\/i><span style=\"font-weight: 400;\"> increases its capability to promote the development of stomach cancer. High-salt foods, such as miso soup, pickled vegetables, dried fish, and salted fish, also increase the risk of stomach cancer.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Grilled and barbecued meats, processed smoked salted meat, red meat salt-preserved foods, and smoked foods may enhance the progression of stomach cancer.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"roles_of_smoking_and_alcohol_habits\"><\/span><span style=\"font-weight: 400;\">Roles of Smoking and Alcohol Habits<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Among environmental factors, a variety of habits play important roles in stomach cancer development. Smoking and alcohol consumption are also proven to be major risk factors contributing to the development of stomach cancer.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"epstein-barr_virus_infection\"><\/span><span style=\"font-weight: 400;\">Epstein-Barr Virus Infection<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Besides <\/span><i><span style=\"font-weight: 400;\">H. pylori<\/span><\/i><span style=\"font-weight: 400;\">, Epstein-Barr virus (EBV) has also been associated with stomach cancer. EBV is a universal infectious agent with a prevalence in over 90% of adults.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Other risk factors, including positive family history, radiation exposure, older age, male sex, lack of physical activity, and low socioeconomic status, have also been associated with increased risk of stomach cancer. Gastroesophageal reflux disease and obesity have also been related to an increased risk of stomach cancer.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Understanding these factors empowers individuals to make informed choices and take preventive measures to reduce their risk of developing stomach cancer.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"how_to_prevent_stomach_cancer\"><\/span><span style=\"font-weight: 400;\">How to Prevent Stomach Cancer?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">To prevent stomach cancer, strategies aimed at reducing the incidences and mortality are required. This is particularly true in populations with a high burden of stomach cancer.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The prevention strategies include the following:<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"increased_intake_of_vegetables_and_fruits\"><\/span><span style=\"font-weight: 400;\">Increased Intake of Vegetables and Fruits<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Sufficient intake of fruits and vegetables can protect you against stomach cancer. You should consume seasonal vegetables and fruits to minimize microbial and fungal contamination and reduce the dependency on salted, pickled, and smoked foods. Prefer a diet rich in fruits, vegetables, fish, and whole grains over processed meats, refined grains, and high-fat products.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"eradication_of_h_pylori\"><\/span><span style=\"font-weight: 400;\">Eradication of <\/span><i><span style=\"font-weight: 400;\">H. pylori\u00a0<\/span><\/i><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Since <\/span><i><span style=\"font-weight: 400;\">H. pylori <\/span><\/i><span style=\"font-weight: 400;\">infection is the main cause of stomach cancer, its eradication is a reasonable strategy for the prevention of stomach cancer.\u00a0<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"alteration_of_lifestyle\"><\/span><span style=\"font-weight: 400;\">Alteration of Lifestyle<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">You should quit smoking to stop the development of stomach cancer. You may also follow other lifestyle modifications such as decreased alcohol intake, increased fruit and vegetable intake, reduced salt intake, and increased physical activity. These activities may also help reduce the risk of getting stomach cancer.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Improvements in food preservation, such as the shift from smoking and salting to refrigeration, have been reported to reduce reliance on preserved foods and to lower exposure to carcinogens like nitrosamines.\u00a0<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"endoscopy_screening\"><\/span><span style=\"font-weight: 400;\">Endoscopy Screening<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">A key strategy for preventing stomach cancer is early diagnosis and treatment. Endoscopy is the best approach for detecting stomach cancer and is widely used for screening.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Reducing exposure to risk factors, screening, and early detection are currently the most effective ways to prevent stomach cancer.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"conclusion\"><\/span><span style=\"font-weight: 400;\">Conclusion<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">While developed countries have seen a decline in stomach cancer cases, it remains a significant health concern, particularly in developing nations, with high mortality rates. Eradicating <\/span><i><span style=\"font-weight: 400;\">H. pylori<\/span><\/i><span style=\"font-weight: 400;\"> infection, especially in high-risk groups, is a primary strategy for prevention. Additionally, adopting healthier lifestyles and dietary habits can further reduce the risk. For secondary prevention, reliable screening methods are crucial to identify early-stage stomach cancer. Endoscopy remains the gold standard for diagnosis and personalized treatment.<\/span><\/p>\n<h2><\/h2>\n<h2><span class=\"ez-toc-section\" id=\"faqs\"><\/span><span style=\"font-weight: 400;\">FAQs<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"what_are_the_first_warning_signs_of_stomach_cancer\"><\/span><span style=\"font-weight: 400;\">What are the first warning signs of stomach cancer?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Early warning signs of stomach cancer include persistent indigestion, unexplained weight loss, feeling full quickly, and blood in stool or vomit.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"who_mostly_gets_stomach_cancer\"><\/span><span style=\"font-weight: 400;\">Who mostly gets stomach cancer?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Older adults, especially those over 65, are more likely to get stomach cancer.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"what_is_the_common_cause_of_stomach_cancer\"><\/span><span style=\"font-weight: 400;\">What is the common cause of stomach cancer?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">A common cause of stomach cancer is a bacterial infection called <\/span><i><span style=\"font-weight: 400;\">Helicobacter pylori<\/span><\/i><span style=\"font-weight: 400;\"> (<\/span><i><span style=\"font-weight: 400;\">H. pylori<\/span><\/i><span style=\"font-weight: 400;\">).<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"is_stomach_cancer_painful\"><\/span><span style=\"font-weight: 400;\">Is stomach cancer painful?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Stomach cancer itself may not always cause pain, but related conditions like ulcers or inflammation can be painful.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"is_stomach_cancer_curable\"><\/span><span style=\"font-weight: 400;\">Is stomach cancer curable?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Stomach cancer can be cured if it&#8217;s caught early and treated properly. However, it&#8217;s often difficult to detect in its early stages.<\/span><\/p>\n<h3><span class=\"ez-toc-section\" id=\"does_stomach_cancer_cause_death\"><\/span><span style=\"font-weight: 400;\">Does stomach cancer cause death?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Yes, stomach cancer can cause death if it&#8217;s not diagnosed and treated in time.<\/span><\/p>\n<p>&nbsp;<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>Stomach cancer or gastric cancer is a challenging disease. Though a serious health concern, it [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":23,"featured_media":5598,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[595,14],"tags":[],"class_list":["post-5594","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cancer","category-oncology"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What Causes Stomach Cancer?-Factors, Symptoms &amp; Treatments<\/title>\n<meta name=\"description\" content=\"Learn key causes and treatments of stomach cancer. 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