Heartburn facts and figures

Heartburn (also known as acid indigestion) is a burning feeling rising from the stomach or lower chest up towards the neck.

• In Western countries about 40% (2 in every 5) of adults suffer from heartburn.
  
  
• Up to 44% of American adults suffer from heartburn at least once a month and approximately 7% of Americans experience heartburn at least once a day.
  
  
• 25% (1 in 4) of pregnant women experience daily heartburn and more than 50% (half) have occasional symptoms.