How do you prevent esophageal cancer?

Depends on type: Squamous cell carcinoma of the esophagus for the most part is casued by smoking, consuming alcohol, nitrosamines, such as pickled foods and smoked meats. Avoid or limit the above risk factors, especially smoking and excessive alcohol. Adenocarcinoma is casued by acid reflux. Diet modication and antiacids help reflux. If you have barrett's metaplasia, then you should be in an endoscopy program.

Don't smoke or drink: Smoking and alcohol are huge risk factors.