Scientists find the root cause of Alzheimer’s disease

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What We Know About Alzheimer’s Disease

Alzheimer’s disease affects older individuals and is the leading form of dementia, causing problems with memory, cognition, and behavior.

While various treatments exist to manage symptoms, a definitive cure has remained elusive. This has led to extensive global research focused on understanding the root cause of the disease.

Existing Theories on Alzheimer’s Causation

There are primarily two theories about the cause of Alzheimer’s. The first revolves around the accumulation of amyloid-beta protein in the brain, which disrupts neural communication.

The second, more recent theory, suggests metabolic dysfunction—specifically, malfunctioning mitochondria—as the culprit.

A Revolutionary Study from Yale-NUS College

A recent study led by Jan Gruber from Yale-NUS College has provided evidence in favor of the metabolic dysfunction theory.

Using the Caenorhabditis elegans worm, which has cellular components similar to humans, the team found that metabolic issues arose before the build-up of amyloid-beta protein.

The Diabetes Connection: Metformin to the Rescue

Perhaps the most striking part of the study was the efficacy of Metformin, a drug commonly used for diabetes.

When administered to the worms, it corrected the metabolic defects, effectively bringing their health and lifespan back to normal.

This suggests that fixing metabolic defects—particularly those related to mitochondria—could be a promising avenue for preventing Alzheimer’s.

Rethinking Our Approach to Aging and Disease

The study posits that diseases like Alzheimer’s, which predominantly affect older individuals, might not be distinct conditions but rather manifestations of aging itself.

Targeting the underlying mechanisms of aging, therefore, could be a way to treat or prevent age-related diseases.

Implications and Future Research

The study is a significant leap forward, implying that we should potentially focus on mitochondrial and metabolic functions to prevent or even cure Alzheimer’s.

However, more research is needed to confirm these results and to evaluate the safety and effectiveness of Metformin or similar interventions in human subjects.

This study not only opens new doors for understanding Alzheimer’s but also prompts us to think differently about aging and diseases that come with it.

The research was published in the scientific journal eLife and represents a step toward a new horizon in Alzheimer’s disease understanding and treatment.

So, while the puzzle of Alzheimer’s has not been fully solved, this research adds a significant piece, offering hope for more targeted and effective treatments in the future.

If you care about Alzheimer’s, please read studies about Vitamin D deficiency linked to Alzheimer’s, vascular dementia, and Oral cannabis extract may help reduce Alzheimer’s symptoms.

For more information about brain health, please see recent studies about Vitamin B9 deficiency linked to higher dementia risk, and results showing flavonoid-rich foods could improve survival in Parkinson’s disease.

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