I read that 45-70% of adults with asthma also have gerd? what is the cause? my asthma is caused by allergies. could gerd be cause by allergies?

GERD: Most cases of Gastro-esophageal reflux are due to the loose sphincter at the junction of the esophagus with the stomach. This allows some the gastric secretions to get up to the upper aero-digestive tract and this can trigger cough and even wheezing. In some of these cases with the reflux is properly treated the asthma symptoms can also improve