Are people who have Down syndrome at greater risk for developing Alzheimer's disease?

Are people who have Down syndrome at greater risk for developing Alzheimer's disease?

Yes, it appears that people with Down syndrome are at greater risk for developing Alzheimer’s disease. According to the Down Syndrome Society, Alzheimer’s disease is diagnosed in about 30 percent of people with Down syndrome in their 50s and in about 50 percent of those in their 60s.