How does obesity affect Alzheimer's disease progression according to the Washington University study?

The study found that obesity is associated with a 95% faster increase in Alzheimer's blood biomarkers over five years.

What type of fat is most concerning for brain health in relation to Alzheimer's?

Research suggests that visceral belly fat, not fat under the skin, drives much of obesity's impact on the brain.

Can Ozempic help prevent Alzheimer's disease?

While Ozempic did not treat existing Alzheimer's, the research suggests GLP-1 drugs may help prevent the disease by addressing obesity earlier.

Home / Health / Obesity Linked to Faster Alzheimer's Decline

Obesity Linked to Faster Alzheimer's Decline

5 Dec

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Summary

Obesity accelerates Alzheimer's biomarkers by 95%.
Belly fat, not skin fat, most impacts the brain.
GLP-1 drugs may prevent, not treat, Alzheimer's.

Obesity Linked to Faster Alzheimer's Decline

New research from Washington University Medicine in St. Louis highlights a strong association between obesity and the accelerated progression of Alzheimer's disease. A five-year study tracking 407 participants found that Alzheimer's-related pathology increased significantly faster in individuals with obesity compared to those without.

The study utilized blood biomarkers and PET scans to assess cognitive decline, noting a buildup of amyloid plaques, a hallmark of Alzheimer's. Researchers emphasized that visceral belly fat appears to be a greater risk factor than general obesity, impacting brain health more directly.

While recent trials of GLP-1 drugs like semaglutide for treating established Alzheimer's were unsuccessful, the findings suggest potential for these medications in preventing the disease by targeting obesity. Future studies aim to differentiate fat types for a more precise understanding of risk.

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