Health and Me

Aarushi Bhadury

New Alzheimer’s Treatment Reaches Target – Study Finds Insulin Delivered This Way Could Help

A disease that can strip somebody of their memories, the way they think, even their core beliefs and personality, Alzheimer’s affect millions of people throughout the world. It is estimated to affect 6 million Americans by the US National Institute of Aging, most of whom are older than 65 or older. While treatment for Alzheimer's does exist, they usually treat the symptoms as there is no cure. 

However, a new study suggests that insulin delivered through a nasal spray could be a future treatment for Alzheimer's disease. Researchers found that this insulin effectively reached important memory parts of the brain in a small group of older adults. Their findings were published on July 23 in the journal Alzheimer’s &amp; Dementia: Translational Research &amp; Clinical Interventions. 

Scientists are looking at insulin as a possible way to treat Alzheimer's because it's thought to improve brain activity. It's already known that <span>insulin resistance</span> (when the body doesn't respond well to insulin) is a risk factor for Alzheimer's. However, past research struggled to confirm if insulin given through the nose actually made it to the right places in the brain. 

They used brain scans to show that insulin given through the nose traveled to 11 key brain areas. These areas are important for memory and thinking. An interesting discovery was that people who were just starting to show signs of memory problems absorbed the insulin differently than others. 

A lead researcher explained that this study fills a big gap in our understanding of how insulin given through the nose reaches the brain. This person also noted that finding different absorption rates in people with early memory issues was a surprise. This means scientists are no longer guessing; they now have a clear path or "roadmap" directly to the brain. 

<h2>How the Study Was Done and What It Found </h2>

Researchers used brain scans on 16 older adults, who were about 72 years old on average. Seven of them had normal thinking skills, and nine had mild memory problems. All of them used the insulin nasal spray, and they said it was easy to use. 

The scans clearly showed that insulin levels went up in important memory and thinking parts of the brain, like the hippocampus (which helps with memory), the amygdala (involved in emotions and memory), and other brain regions. 

The study also found that people with healthy brains absorbed more insulin compared to those with mild memory issues. For women in the study, better heart health seemed to lead to better insulin absorption in the brain. On the other hand, individuals who had higher levels of a substance called amyloid beta (which is a sign of increased Alzheimer's risk) absorbed less insulin in many parts of their brain. 

Only two people mentioned minor headaches after using the spray and getting their scan, which suggests the treatment is generally well-tolerated and doesn't cause many side effects. 

<h2>Future Steps and Hope for Treatments </h2>

A lead researcher pointed out that one of the biggest challenges in <span>treating brain diseases</span> is getting medications to actually enter the brain. This study proves that they can now reliably check if nasal spray systems are delivering the medicine effectively. This is a very important step before they can start larger trials to test the treatment's effectiveness. 

The findings also help explain why some patients might respond better to insulin given through the nose than others. The researcher stressed that there is an urgent need to find effective and easy ways to prevent and treat Alzheimer's. These results mean scientists now have the tools to confirm if treatments are reaching their intended brain targets, which is vital for designing successful studies. 

The research team plans to conduct bigger studies within the next one to two years. They want to investigate other factors that might affect how insulin gets to the brain, such as the health of blood vessels, the presence of amyloid beta clumps, and differences between men and women. The researcher concluded by saying that while there's still a lot to learn, these findings are promising for creating more effective and easy-to-use treatments for Alzheimer's disease. 

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alzheimers

New Alzheimers Treatment

Insulin for Alzheimers

insulin resistance

treating brain diseases

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A disease that can strip somebody of their memories, the way they think, even their core beliefs and personality, Alzheimer’s affect millions of people throughout the world. It is estimated to affect 6 million Americans by the US National Institute of Aging, most of whom are older than 65 or older. While treatment for Alzheimer's does exist, they usually treat the symptoms as there is no cure. However, a new study suggests that insulin delivered through a nasal spray could be a future treatment for Alzheimer's disease. Researchers found that this insulin effectively reached important memory parts of the brain in a small group of older adults. Their findings were published on July 23 in the journal Alzheimer’s & Dementia: Translational Research & Clinical Interventions. Why Insulin for Alzheimer's? Scientists are looking at insulin as a possible way to treat Alzheimer's because it's thought to improve brain activity. It's already known that insulin resistance (when the body doesn't respond well to insulin) is a risk factor for Alzheimer's. However, past research struggled to confirm if insulin given through the nose actually made it to the right places in the brain. Direct Path to the Brain They used brain scans to show that insulin given through the nose traveled to 11 key brain areas. These areas are important for memory and thinking. An interesting discovery was that people who were just starting to show signs of memory problems absorbed the insulin differently than others. A lead researcher explained that this study fills a big gap in our understanding of how insulin given through the nose reaches the brain. This person also noted that finding different absorption rates in people with early memory issues was a surprise. This means scientists are no longer guessing; they now have a clear path or "roadmap" directly to the brain. How the Study Was Done and What It Found Researchers used brain scans on 16 older adults, who were about 72 years old on average. Seven of them had normal thinking skills, and nine had mild memory problems. All of them used the insulin nasal spray, and they said it was easy to use. The scans clearly showed that insulin levels went up in important memory and thinking parts of the brain, like the hippocampus (which helps with memory), the amygdala (involved in emotions and memory), and other brain regions. The study also found that people with healthy brains absorbed more insulin compared to those with mild memory issues. For women in the study, better heart health seemed to lead to better insulin absorption in the brain. On the other hand, individuals who had higher levels of a substance called amyloid beta (which is a sign of increased Alzheimer's risk) absorbed less insulin in many parts of their brain. Only two people mentioned minor headaches after using the spray and getting their scan, which suggests the treatment is generally well-tolerated and doesn't cause many side effects. Future Steps and Hope for Treatments A lead researcher pointed out that one of the biggest challenges in treating brain diseases is getting medications to actually enter the brain. This study proves that they can now reliably check if nasal spray systems are delivering the medicine effectively. This is a very important step before they can start larger trials to test the treatment's effectiveness. The findings also help explain why some patients might respond better to insulin given through the nose than others. The researcher stressed that there is an urgent need to find effective and easy ways to prevent and treat Alzheimer's. These results mean scientists now have the tools to confirm if treatments are reaching their intended brain targets, which is vital for designing successful studies. The research team plans to conduct bigger studies within the next one to two years. They want to investigate other factors that might affect how insulin gets to the brain, such as the health of blood vessels, the presence of amyloid beta clumps, and differences between men and women. The researcher concluded by saying that while there's still a lot to learn, these findings are promising for creating more effective and easy-to-use treatments for Alzheimer's disease. 

new alzheimer’s treatment reaches target – study finds insulin delivered this way could help

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