A hiatal hernia occurs when a portion of the stomach protrudes into the chest through the diaphragm, often forcing stomach contents to back into the esophagus.

The Ohio State University Medical Center says factors that may trigger a hiatal hernia include:

  • Coughing.
  • Vomiting.
  • Straining to have a bowel movement.
  • Sudden physical exertion.
  • Pregnancy.
More than 100 women have been found dead outside on Long Island since 1976. NewsdayTV's Shari Einhorn and Newsday investigative reporter Sandra Peddie have this exclusive story. Credit: Newsday Staff

'We have to figure out what happened to these people'  More than 100 women have been found dead outside on Long Island since 1976. NewsdayTV's Shari Einhorn and Newsday investigative reporter Sandra Peddie have this exclusive story.

More than 100 women have been found dead outside on Long Island since 1976. NewsdayTV's Shari Einhorn and Newsday investigative reporter Sandra Peddie have this exclusive story. Credit: Newsday Staff

'We have to figure out what happened to these people'  More than 100 women have been found dead outside on Long Island since 1976. NewsdayTV's Shari Einhorn and Newsday investigative reporter Sandra Peddie have this exclusive story.

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