7. Alcohol and Smoking Matter Too
Food is only one part of stomach cancer risk.
Smoking is a well-established risk factor for stomach cancer, as well as many other serious diseases.
Alcohol consumption has also been associated with several cancers, although the relationship between alcohol and stomach cancer is more complex than the relationship between smoking and cancer.
If you smoke, quitting is one of the most meaningful steps you can take for your long-term health.
If you drink alcohol, keeping consumption low—or avoiding it altogether—can reduce exposure to alcohol-related cancer risks.
8. Pay Attention to Persistent Symptoms
Stomach cancer can sometimes produce vague symptoms, especially in its early stages.
Possible symptoms include:
Persistent indigestion, abdominal discomfort, feeling full unusually quickly, nausea, vomiting, difficulty swallowing, unexplained weight loss, loss of appetite, or anemia.
These symptoms are much more commonly caused by conditions other than cancer.
For example, reflux, gastritis, ulcers, infections, food intolerances, and other digestive disorders can produce similar problems.
But symptoms that are persistent, worsening, or accompanied by unexplained weight loss or bleeding should not simply be ignored.
9. When Should You See a Doctor?
A single episode of indigestion after a large meal is usually not a reason to panic.
However, you should consider speaking with a healthcare professional if you experience ongoing stomach pain, persistent indigestion, repeated vomiting, difficulty swallowing, black or bloody stools, unexplained weight loss, persistent loss of appetite, or unusual fatigue.
Your doctor may determine that the symptoms are caused by a minor digestive problem—or may recommend further testing.
Depending on your symptoms and risk factors, evaluation could include blood tests, H. pylori testing, imaging, or an upper endoscopy.