The disease is known as gastroesophageal reflux disease, or GERD. It affects about 1 out of 5 Americans, according to the International Foundation for Gastrointestinal Disorders (IFFGD).
https://www.newsweek.com/gerd-awareness-week-heres-what-you-should-know-about-gi-disease-that-affects-20-percent-1472683