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New research reveals dementia risks for autistic individuals

Studies indicate higher rates of dementia among autistic adults, especially those under 50.

July 29, 2025 at 04:52 AM
blur Early-onset Alzheimer's disease linked to another neurological condition suffered by 8million Americans

New studies suggest a connection between autism and higher dementia risk in younger people.

Link found between early-onset Alzheimer's disease and rising autism rates

Recent findings indicate that individuals with autism may face significantly higher risks of developing dementia, including early-onset Alzheimer's disease. Presenting research at a major dementia conference, experts revealed that adults with autism and intellectual disabilities show an alarming threefold increase in the likelihood of cognitive decline. The studies included data from nearly 800,000 individuals, highlighting that even people under 50 years old diagnosed with autism are 30 percent more likely to develop dementia compared to their neurotypical counterparts. The factors contributing to this increased risk include other prevalent health conditions among autistic individuals and the complications linked to medications that impact cognitive function.

Key Takeaways

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Autistic individuals face a heightened dementia risk, particularly concerning early-onset cases.
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Research shows a significant correlation between autism and cognitive decline in adults under 50.
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Patients with autism experience other health issues like depression and diabetes contributing to this risk.
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Studies indicate that medications blocking neurotransmitters may impair cognitive functions in autistic individuals.
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The rising rates of autism in the US could correlate with growing dementia cases as this population ages.
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A comprehensive approach to mental and physical health for autistic adults is increasingly urgent.

"We see that autistic children have grown up to become mostly autistic adults and now older adults."

Dr. Lindsay Shea emphasizes the growing population of aging autistic individuals as a health concern.

"This data supports the idea of both early onset and higher prevalence rates of dementia in these populations."

Dr. Shea reflects on the significant findings regarding dementia in autistic adults.

"That's very high given the average age."

Dr. Gregory Wallace highlights the concerning rates of cognitive decline in autistic adults.

"We know that autistic adults are often unemployed, often don't have community integration and have high rates of obesity."

Dr. Shea points out the lifestyle challenges faced by autistic adults that may contribute to health issues.

As autism diagnoses continue to surge, climbing from one in 150 in the early 2000s to one in 31 today, these studies underline the pressing need for more comprehensive healthcare strategies for autistic adults. With a significant portion of the autistic population now aging, the intersection between developmental disorders and cognitive health becomes increasingly important. Understanding the underlying mechanisms—such as the effects of medications and associated health issues—could inform better treatment and intervention strategies. Dr. Lindsay Shea's observation about the growing demographic of autistic adults reflects a societal shift, demanding resources and support tailored to this community to mitigate the impending dementia crisis.

Highlights

  • Autistic individuals may be three times more likely to develop dementia.
  • The surge in autism rates raises urgent health considerations for aging adults.
  • Chronic conditions linked to autism could accelerate cognitive decline.
  • Medications may play a dangerous role in memory loss for autistic adults.

Concerns over rising dementia risks in autistic adults

The link between autism and increased rates of dementia raises critical health questions and necessitates further investigation. As autism diagnoses rise, understanding its implications on cognitive health will be vital.

The implications of these findings compel us to rethink approaches to healthcare for autistic individuals as they age.

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