Alzheimers Risk Prediction: The New Blood Test – Bio Prep Watch

Quest Diagnostics, a New Jersey-based company, has developed a groundbreaking blood test that can predict an individual’s risk of developing Alzheimer’s disease. This test measures the levels of a protein called amyloid beta in the blood, which is known to form plaques in the brain associated with Alzheimer’s.

Currently, there are over 6 million Americans living with Alzheimer’s, and this number is expected to reach a staggering 14 million by 2060. With the rising prevalence of this degenerative disease, the need for early detection and intervention becomes paramount.

However, it is important to note that this blood test does not provide a definitive diagnosis or estimate the likelihood of developing Alzheimer’s. Instead, it measures the ratio of one form of the amyloid beta protein to another. Quest claims that the test is 89% accurate at identifying individuals with elevated levels of amyloid in the brain, and 71% accurate at ruling out those who do not have elevated amyloid.

Some experts question the usefulness of this test, especially for cognitively healthy individuals, as there is currently no treatment available to prevent or cure Alzheimer’s. However, Quest argues that the test will enable individuals to take a proactive approach to their health and initiate discussions with healthcare providers about risk-minimizing steps.

Although similar blood tests are offered by companies like C2N Diagnostics and Quanterix, Quest is the first to provide this test directly to consumers. To ensure the appropriateness of the test, Quest requires purchasers to verify that they meet at least one risk factor, such as a family history of Alzheimer’s, head injury, or current memory loss. However, the company does not verify the medical appropriateness for the individual.

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In conclusion, the development of this blood test by Quest Diagnostics marks a significant advancement in the field of Alzheimer’s disease detection. While some question its usefulness without a cure or treatment, Quest emphasizes the importance of proactive healthcare and risk-minimizing discussions. As the prevalence of Alzheimer’s continues to rise, early detection and intervention remain crucial for managing this devastating disease.


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