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	Study: Acid Reflux Prevalence Increasing Fri Dec 23, 2011 3:54 am

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DoctorNutopia

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Post subject: Study: Acid Reflux Prevalence Increasing

Study: Acid Reflux Prevalence Increasing

Dec. 22, 2011 -- Heartburn and other symptoms of acid reflux seem to be much more common than they were a decade ago.

The prevalence of weekly heartburn and other symptoms of acid reflux rose nearly 50% over the last decade, according to one of the largest studies ever to examine the issue.

The study followed more than 30,000 people in Norway for 11 years. When the study started, 11.6% of the people reported acid reflux symptoms at least once a week. That percentage rose to 17.1% by the end of the study. That's a 47% increase.

Obesity May Explain Reflux Rise The study doesn't explain why heartburn and other acid reflux symptoms rose, but obesity is the most likely reason for the findings. And that makes the finding relevant to the U.S. and other industrialized countries, says researcher Eivind Ness-Jensen of the Norwegian University of Science and Technology.

The findings are particularly troubling, Ness-Jensen says, because people who've had acid reflux for a long time may be more likely to develop cancer of the esophagus -- a once rare, but increasingly common malignancy.

Jensen's study didn't track esophageal cancer, and most people who have acid reflux don't develop esophageal cancer.

The American Cancer Society estimates that in 2011, nearly 17,000 new cases of esophageal cancer were diagnosed in the U.S. and almost 15,000 Americans died of the disease.

Along with heartburn, a defining symptom of gastroesophageal reflux disease (GERD), is acid reflux, which occurs when stomach contents leak backward into the esophagus.

About 1 in 5 Reflux Patients Had Symptoms Resolve on Their Own In Jensen's study, the number of people reporting any acid reflux symptoms rose by 30%, and the prevalence of the most severe symptoms rose by 24%.

Among the other findings:

Among women, new cases of acid reflux symptoms rose with age. Women younger than 40 were least likely to report acid reflux symptoms. Older men and women were equally likely to report new cases of acid reflux symptoms. About 1 in 5 patients had their symptoms resolve on their own, independent of medication. The study appears online in the journal Gut.

Not All GERD Patients Overweight More research is needed to understand why some patients get better over time, says New York City gastroenterologist Anthony Starpoli, MD.

“This is a very common problem, and it is interesting that there appear to be patients who get better,” he says. “We don’t know if it is because they were more careful about what they ate or if they lost weight, but it is worth finding out.”

Starpoli, who is associate director of esophageal endotherapy at New York’s Lenox Hill Hospital, says he is seeing a growing number of patients with GERD and esophageal cancer.

http://www.webmd.com/heartburn-gerd/news/20111222/study-acid-reflux-prevalence-increasing?src=RSS_PUBLIC

	Study: Acid Reflux Prevalence Increasing Fri Dec 23, 2011 3:54 am

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