Heartburn can cause an unpleasant taste in the mouth, a sore throat and a chronic cough — but also pain in the chest.
http://www.iran-daily.com/News/197657.html?catid=13&title=Persistent-heartburn-could-be-a-warning-sign-of-three-cancers
http://www.iran-daily.com/News/197657.html?catid=13&title=Persistent-heartburn-could-be-a-warning-sign-of-three-cancers