On anyone's list of "Top 10 least favorite things to do in one's life," is when an adult child has to cope with their parent's or other loved one's dementia. According to DementiaCareCentral.com, 24 percent of adults age 80 to 89 and 37 percent of adults over the age of 90 have dementia. Nearly 15 million adults are helping care for an estimated 5.4 million people with Alzheimer's disease, a form of dementia.