People who take acid reflux medications called proton pump inhibitors for four-and-a-half years or more may have a higher risk of dementia compared to people who do not take these medications, according to research. This study does not prove that acid reflux drugs cause dementia; it only shows an association. "Proton pump inhibitors are a useful tool to help control acid reflux, however long-term use has been linked in previous studies to a higher risk of stroke, bone fractures and chronic kidney disease," said study author Kamakshi Lakshminarayan, MBBS, Ph.D. The study included 5,712 people, age 45 and older, who...