Exercising may induce GERD symptoms — 5 points

A study published in the American Journal of Gastroenterology found exercising may induce physiological changes that resemble gastroesophageal reflux disease, as reported by The Wall Street Journal.

The study, conducted in the Netherlands, involved four women and six men, ages 21 to 41 years old, who ran at least six miles a week without noticeable GERD symptoms. The patients consumed about half a cup of banana, rested for 10 minutes, and then ran on a treadmill for 30 minutes at 60 percent their maximum heart rate. After another 10-minute rest, the patients ran on the treadmill for 20 minutes at 85 percent their maximum heart rate.

Here are five points:

1. Approximately two brief reflux episodes were recorded per person on average during the first running session.

2. One brief reflux episode was recorded during the second running session.

3. No brief reflux episodes were recorded during the rest periods.

4. Esophageal pH levels were below four (an indication of high acidity) for 36 seconds in the first session.

5. Esophageal pH levels were below four for 20 seconds in the second session.

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