SDI Productions via Getty Images There are a few subtle symptoms that can develop before the full onset of dementia. When we think about dementia, we often think of a person experiencing memory loss and confusion. With an estimated 6.7 million Americans over the age of 65 in the U.S. living with Alzheimer’s, dementia is far from rare. “Some types of dementia, such as Lewy body dementia, can cause hallucinations or delusions,” Appel explained. While there may not be a complete cure for dementia and Alzheimer’s, there is a lot doctors can do once they reach a diagnosis.
