"While more research is needed to confirm these findings and determine what level of smell loss would predict future risk, these results could be promising, especially in studies aiming to identify people at risk for dementia early in the disease," he also said.
Loss of a sense of smell could be a warning sign of future Alzheimer’s disease, as a recent study published in Neurology, the medical journal of the American Academy of Neurology, revealed.The participants also submitted DNA samples so the researchers could determine whether they carried the APOE4 gene.