english: But when the LES malfunctions, it becomes the main player in heartburn --a searing, sometimes sour-tasting chest-spasm that many people will experience at some point in their lives.
non_english: Ali kada DES loše funkcioniše, postaje glavni uzrok gorušice, osećaja gorenja, ponekad grčenja u grudima uz kiselinu u ustima, koji će mnogi ljudi doživeti u nekom trenutku svog života.