no difficulty swallowing, no heartburn, past history of acid reflux but none now. had an ear nose throat Dr do a scope of throat a year ago and said no evidence of cancer. i have to constantly clear my throat and voice becomes hoarse, no problem eating or drinking. Dr said to eliminate all caffeine but does not seem to help much. I am 69, white male, with 6 heart stents and ride a stationary bike 5 miles per day 5 days a week and lift quite heavy weights 5 days a week for 70 to 75 minutes each day. no family history of cancer.