Study: Rural people more likely to get Alzheimer's

Rural residents are twice as likely to get Alzheimer's, according to a University of Edinburgh study that collected "all over the world and spanned several decades," Nikki Tucker of Medical Daily reports. Researchers say limited access to health care, exposure to unknown substances, and socioeconomic factors may lead to the increased risk.

Prior studies have analyzed the difference in what effects rural and urban areas might have on the disease, but because of debate about what constitutes "rural" and "urban," results have been deemed inconclusive. (Read more) The study was published in the International Journal of Epidemiology.