Sources- PMID 38002250
sweat.w.sam on TT
Recent scientific inquiries have explored the surprising hypothesis that chronic nose-picking (rhinotillexomania) may be a potential risk factor for developing Alzheimer’s disease. The theory centers on the integrity of the nasal cavity and the olfactory system, which provides a direct pathway to the brain. When the delicate mucosal lining of the nose is damaged through picking, it can create micro-tears that allow pathogens, such as bacteria and viruses, easier access to the olfactory nerves. Once these pathogens bypass the blood-brain barrier via the olfactory bulb, they may trigger a persistent, low-grade inflammatory response within the brain’s tissues. This localized neuroinflammation is a key area of interest because it is thought to stimulate the production of amyloid-beta, a protein that forms the plaques characteristic of Alzheimer’s. In this context, amyloid-beta may actually be part of the brain’s immune defense mechanism, produced to “trap” invading pathogens. While some animal studies have shown that certain bacteria can travel from the nose to the brain and lead to plaque formation, it is critical to note that this research is still in the early stages of investigation. Human clinical trials have not yet definitively proven that nose-picking causes dementia, and researchers are currently working to determine if this correlation translates into a significant causal link in humans.
#nose #health #brain
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