- 1 stomach cancer
- 2 causes and risk factors for stomach cancer 2.1 Diet 2.2 Smoking 2.3 Obesity and overweight 2.4 Chemicals 2.5 Health Problems 2.6 family history and genetic factor 2.7 Other factors
- 2.1 Diet
- 2.2 Smoking
- 2.3 Obesity and overweight
- 2.4 Chemicals
- 2.5 Health Problems
- 2.6 family history and genetic factor
- 2.7 Other factors
- 3 tips for the prevention of gastric cancer
- 4 References
Stomach cancer is known (in English: Gastric cancer) as a malignant tumor originates within the cells lining the stomach, and is prepared one of the main members of the digestive system which helps to digest food and extract nutrients, such as vitamins, proteins, carbohydrates, water, minerals, located stomach in the upper right part of the abdomen,   spoke stomach cancer as a result of turning one of the cells lining the stomach to cancer cells to evolve gradually and increasingly spread, and scientists can identify the main cause that leads to the transformation of these cells to cancerous cells, but it was identified a number of factors that increase the risk of stomach cancer, and it should be noted that the presence of one of these factors does not necessarily mean a person's stomach cancer, it is also worth noting that there are a number of these factors can be avoided, such as smoking, while there are some factors that can not be avoided, such as: age, family history of the disease.  
To learn more about stomach cancer can read the following article: (stomach cancer symptoms).
The causes and risk factors for stomach cancer
Increase the risk of stomach cancer in people who follow a diet rich in foods, salted and pickled and smoked, as well as processed meat, red meat, refined grains, and on the other hand, a diet rich in vegetables and fresh fruit helps to reduce the risk of stomach cancer,   It is worth mentioning that the use to maintain cooling foods have increased incidence of stomach cancer. 
Higher chance of being infected people smokers stomach a lower chance of cancer injury to persons non-smoking, especially the types of stomach cancer that arise at the top of the stomach or in the vicinity of the esophagus region, was a study published in Gastroenterology and Hepatology from newspaper Bed to Bench in 1997 showed that the percentage of the risk of cancer stomach in people smokers and former smokers rise to 44%, showed another study conducted in 2007 that the percentage of higher risk of stomach cancer for smokers up to 60% in men and 20% among women.  
Obesity and overweight
Increase the risk of stomach cancer and cancer of the esophagus in people who are obese and overweight, can be defined cyme higher body mass index (in English: Body mass index), and Acronym BMI to 30 or more, so care must be taken on a healthy diet, exercise aerobic exercise regularly. 
Exposure to some chemicals frequently, such as working in rubber plants, or exposure to the substance lead to an increased risk of stomach cancer, and it should be noted the adoption of several laws that prevent exposure to these chemicals, resulting in a lower risk of stomach cancer as a result of exposure to Chemical. 
Lead incidence of certain disorders and health problems to the high risk of stomach cancer, as mentioned earlier, the previous infection in one of these health problems do not necessarily mean a person has cancer, and in a statement to some of them come: 
- Stomach surgery: the risk of stomach cancer rises in the event of a surgical action earlier in the stomach.
- Megaloblastic anemia: (English: Megaloblastic anemia) This is the case, a type of anemia caused by the inability to absorb vitamin B12 from the stomach.
- Ménétrier's disease: (English: Ménétrier's disease) This disease is increasing the number of stomach folds abnormally, low stomach acid production.
- Germ stomach: The infection germ stomach or Helicobacter pylori (in English: Helicobacter pylori) more factors of stomach gravity of cancer, especially in the absence of infection treatment for a long time, with infection leading to infection stomach atrophic (in English: Atrophic Gastritis), and the creation of some Previous changes of cancer in the lining of the stomach, and it should be noted that many people with these non-infected infection with stomach cancer, as a study conducted at the University of Vanderbilt (shown in English: Vanderbilt University) Research America that almost half of people around the world are infected with the germ stomach, and between only 1-3% of these people develop their injury Balsrtanh glandular stomach.  
- Infection Epstein-Barr virus: detect the presence of Epstein-Barr virus (in English: Epstein-Barr virus) in between 5-10% of the cancer cells of the stomach from the incidence of stomach cancer, and scientists can determine whether the virus's role in the incidence of cancer in these cases, the stomach, and is characterized by these cases of stomach cancer slow growth and low chance transmission, it is worth mentioning that it has been linked to infection with Epstein-Barr virus injury in some cases of lymphoma cancer. 
- Esophageal reflux gastric: Mosul risk of cancer, gastro-oesophageal rise in the event of infection with gastro-oesophageal reflux (in English: Gastrointestinal reflux), which is a disorder leading to the transmission of stomach acid into the esophagus repeatedly. 
- Other: such as infection with HIV loss (in English: Acquired Immune Deficiency syndrome diseases infection) and Acronym AIDS,  and diabetes (in English: Diabetes). 
Family history and genetic factor
The existence of family history of stomach cancer at high risk of cancer among first-degree relatives, in addition to that increase the risk of this type of cancer in the event of certain genetic disorders, and in a statement to some of them:  comes
- Lynch syndrome: Infection occurs Lynch syndrome (in English: Lynch syndrome) as a result of some genetic mutations with a number of different genes, and lead to a higher risk of developing a range of cancers, such as stomach cancer, cancer of the colon and rectum.
- Genetic mutations: have been linked to a number of different genetic mutations increased risk of stomach cancer, such as gene BRCA1, the gene BRCA2.
- Li-Fraumeni syndrome: (English: Li-Fraumeni syndrome) infection occurs as a result of this syndrome and the presence of a genetic mutation in the gene TP53, and lead to a higher risk of stomach cancer early age, in addition to a range of different types of cancers.
- English Butz-Jigrz: (syndrome: Peutz-Jeghers syndrome) this syndrome result in injury to the appearance of polyps in many different areas of the body, such as the intestines, stomach, lungs, nose, bladder, as it may lead to some other disturbances occur, such as: bleeding, bowel obstruction, and lead to a higher risk of many different types of cancer, including stomach cancer.
- Polyposis oncogene adenovirus family: (English: Familial adenomatous polyposis) The emergence of the early descendants of the large intestine along. 
There are a range of other factors that may lead to a higher risk of stomach cancer, and in a statement to some of them come: 
- Age, since most cases of stomach cancer affects people over the age of 50 years.
- Sex is the chance of stomach cancer in men twice the chance of being infected women, which was confirmed in a study conducted at the University of Southern California (English: University of Southern California) America in 2011, as the study showed that the chance of men injury and death from stomach cancer are twice as an opportunity infected women.  
- Race, it was found that the chance of stomach cancer varies among different ethnic diversities, it found that stomach cancer is more common among African Americans and Hispanics Native Americans and Americans compared to those with skin white non-Hispanic. 
- Geographical area, as the incidence of stomach cancer rises in some areas such as Japan and China, and some regions of Europe, and decreases in some other regions such as Central Asia and North and West Africa. 
- Blood group, brings the risk of developing gastric cancer in people who have blood type A group, and scientists can identify the main cause of this condition. 
- Drinking large amounts of alcohol. 
Tips for prevention of gastric cancer
There are many risk factors that can be controlled or avoided, which helps to prevent stomach cancer, and in a statement to some of the tips that help prevent stomach cancer comes:  
- A healthy diet: Be careful to follow a healthy diet rich in fruits and vegetables; Because of its rich in vitamins and fiber, and avoid eating large amounts of salted foods, pickled, smoked, in addition to the need to maintain an ideal weight.
- Treatment of diseases of the stomach helps a prescription for antibiotics (in English: Antibiotics) appropriate to eliminate the germ stomach infection, and some other drugs that help treat stomach ulcers reduce the risk of stomach cancer also.
- Consult your doctor about the medications: may cause the use of certain types of medications such as aspirin medication (in English: Aspirin), and NSAIDs for long periods of exposure to stomach for some damage, so be careful to consult a doctor about the medications used for long periods.
- Quit smoking: as smoking and drinking alcohol is one of the risk factors that lead to a higher risk of stomach cancer, so be careful not taking smoking or drinking alcohol, or quit them.
- Use of estrogen: found that the use of the hormone estrogen by women health situation may protect against stomach cancer. 
- ↑ "Gastric Cancer Treatment", www.cancer.gov, Retrieved 12-2-2020. Edited.
- ↑ "The stomach", www.macmillan.org.uk, Retrieved 12-2-2020. Edited.
- ^ أ ب ت "Risks and causes of stomach cancer", www.cancerresearchuk.org, Retrieved 12-2-2020. Edited.
- ↑ "Stomach Cancer", www.webmd.com, Retrieved 12-2-2020. Edited.
- ↑ Adam Felman, "What to know about stomach cancer"، www.medicalnewstoday.com, Retrieved 12-2-2020. Edited.
- ↑ "Stomach Cancer: Risk Factors", www.cancer.net, Retrieved 12-2-2020. Edited.
- ↑ "Stomach cancer", www.wcrf.org, Retrieved 25-3-2020. Edited.
- ^ أ ب ت ث ج ح "Stomach Cancer Risk Factors", www.cancer.org, Retrieved 12-2-2020. Edited.
- ↑ Hakimeh Zali, Mostafa Rezaei-Tavirani, Mona Azodi, "Gastric cancer: prevention, risk factors and treatment"، www.ncbi.nlm.nih.gov, Retrieved 12-2-2020. Edited.
- ^ أ ب ت "Stomach Cancer Causes", stanfordhealthcare.org, Retrieved 12-2-2020. Edited.
- ↑ Lydia E. Wroblewski, Richard M. Peek, Keith T. Wilson, "Helicobacter pylori and Gastric Cancer: Factors That Modulate Disease Risk"، www.ncbi.nlm.nih.gov, Retrieved 12-2-2020. Edited.
- ^ أ ب "Stomach cancer", www.mayoclinic.org,19-5-2018، Retrieved 12-2-2020. Edited.
- ↑ "Increased Risk of Stomach and Esophageal Malignancies in People With AIDS", www.ncbi.nlm.nih.gov, Retrieved 25-3-2020. Edited.
- ↑ "Diabetes and gastric cancer: The potential links", www.ncbi.nlm.nih.gov, Retrieved 25-3-2020. Edited.
- ^ أ ب "Stomach cancer", www.betterhealth.vic.gov.au, Retrieved 12-2-2020. Edited.
- ↑ "Survival of metastatic gastric cancer: Significance of age, sex and race/ethnicity", www.ncbi.nlm.nih.gov, Retrieved 12-2-2020. Edited.
- ↑ "Alcohol Consumption and Gastric Cancer Risk: A Meta-Analysis", www.ncbi.nlm.nih.gov, Retrieved 25-3-2020. Edited.
- ↑ "Stomach Cancer", www.webmd.com, Retrieved 12-2-2020. Edited.
- ↑ "Sex Hormones, Hormonal Interventions and Gastric Cancer Risk: A Meta-Analysis", www.ncbi.nlm.nih.gov, Retrieved 25-3-2020. Edited.
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