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The Surprising Brain Savior Hiding in Your Nose

When’s the last time you stopped to smell the roses?

If you’re like most of us, you probably don’t give much thought to your sense of smell unless you’re savoring a delicious meal or avoiding unpleasant odors.

But what if we told you that your nose might hold the key to keeping your brain healthy and vibrant well into your golden years?

Groundbreaking new research has uncovered a fascinating link between smell receptors and brain cell survival. And while the study was done on ants, the implications for human health—especially as we age—are nothing short of revolutionary.

Here’s why you should care, even if you’re not an insect enthusiast…

Scientists at New York University and the University of Florida have discovered that a protein called Orco, which is essential for smell function, also plays a crucial role in keeping smell neurons alive.

Here’s what you need to know…

The Power of Smell: Ants, like humans, are highly social creatures. They rely heavily on their sense of smell to communicate, much like we use facial expressions and tone of voice. In fact, ants have about 400 smell receptors—nearly as many as humans!

The Orco Mystery: When researchers genetically modified ants to lack the Orco protein, something unexpected happened. Not only did the ants lose their sense of smell, but they also lost most of their smell neurons before reaching adulthood.

Cell Death Connection: Without Orco, developing smell neurons started dying off in massive numbers. This suggests that Orco isn’t just important for smell—it’s crucial for keeping these brain cells alive.

Beyond Smell: Surprisingly, some smell receptors were found in non-smell cells, including other types of neurons and support cells in the brain. This hints at potential undiscovered functions for these receptors.

Now, you might be wondering, “What does this have to do with me? I’m not an ant!” Well, here’s where it gets exciting.

This discovery could have major implications for understanding and treating age-related brain diseases in humans and here’s why…

If we can understand how Orco protects neurons from dying, we might be able to develop new and effective treatments that prevent brain cell death in conditions like Alzheimer’s and Parkinson’s disease.

Changes in smell function are often an early sign of neurodegenerative diseases. Understanding the link between smell receptors and neuron survival could lead to better early detection methods.

And by learning how to keep smell neurons healthy, we might discover ways to maintain overall brain health as we age, potentially improving quality of life for seniors.

While this research is still in its early stages, it offers hope for anyone concerned about maintaining their cognitive health as they age. It’s a powerful reminder that sometimes, the most important scientific breakthroughs come from unexpected places.

To scientific breakthroughs,

Rachel Mace
Managing Editorial Director, e-Alert
with contributions from the research team

P.S. Want to learn more about cutting-edge research in brain health and natural ways to support your cognitive function as you age? Click here to learn about HSI panelist, Dr. Alan Inglis’ Brain Rescue Protocol.

Source:

(2024, June 7). A Protein That Enables Smell—and Stops Cell Death (R. Harrison, Ed.) [Review of A Protein That Enables Smell—and Stops Cell Death]. NYU; New York University. https://www.nyu.edu/about/news-publications/news/2024/june/protein-enables-smell-ants.html

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