In Western populations,<unk>  affects approximately 10% to 20% of the population and 0.4% newly develop the condition. For instance, an estimated 3.4 million to 6.8 million Canadians are<unk>  sufferers. The prevalence rate of<unk>  in developed nations is also tightly linked with age, with adults aged 60 to 70 being the most commonly affected. In the United States 20% of people have symptoms in a given week and 7% every day. No data support sex predominance with regard to<unk> .
Gastroesophageal reflux disease
Esophageal cancer
Laryngopharyngeal reflux
Angina
Geophagia
Peptic ulcer disease
Peanut allergy
Esophageal spasm