Hematemesis is the scientific term for vomiting blood. But it’s not the same thing as hemoptysis, which is coughing up blood. The difference between these terms lies in the blood’s source. 

So, what conditions other than cancer can cause this alarming symptom? And when should you see a doctor about...

Abdominal pain, heartburn and fatigue can sometimes be symptoms of stomach cancer. But they can also be the result of overeating, untreated acid reflux or insomnia.

So, how do you know which category your symptoms fall into and when to see a doctor?

“Most stomach cancers don’t cause any symptoms until they’re more advanced, and they can mimic indigestion or reflux,” says Paul Mansfield, M.D., a surgical oncologist who specializes...