Researchers have developed an experimental nasal spray that, in early testing, appears capable of slowing down — and possibly reversing — some effects of brain aging.
For many people, mental aging starts subtly. Names become harder to remember, focus fades faster, and everyday tasks suddenly require more effort than before.
Scientists have long considered this a natural part of growing older, but new research from Texas A&M University is now challenging that idea, reports Science Daily.
According to findings published in the Journal of Extracellular Vesicles., researchers observed significant improvements in memory and brain function after using an experimental nasal treatment designed to reduce inflammation inside the brain.
A new approach
The research team focused on chronic inflammation that gradually develops in aging brains. Scientists increasingly associate this process with conditions such as dementia and Alzheimer’s disease.
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Instead of relying on traditional medication methods, the researchers used microscopic biological particles delivered directly through the nose. The treatment was designed to bypass the brain’s protective barrier and target harmful inflammatory activity more efficiently.
Researchers also found signs that the treatment helped restore activity in mitochondria, the structures responsible for producing energy inside brain cells.
Memory improved
After only two doses, researchers recorded noticeable improvements in memory and recognition abilities during testing. The treated models performed better at identifying familiar objects and reacting to changes in their environment.
The team believes the therapy may help the brain reactivate some of its natural repair mechanisms by reducing stress and improving cellular function.
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The treatment has not yet been tested on humans, and researchers stress that more studies are still needed. However, scientists believe the technology could eventually become important in future treatments for age-related cognitive decline and neurodegenerative diseases.
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