Don’t worry – Picking your nose doesn’t cause Alzheimer’s disease

The nose-picking link that seems to be the focus of this new wave of media coverage stems from one small part of the study that found deliberate injuries to the mouse epithelium led to increased bacterial infiltration in the peripheral nerves and olfactory bulb. The nasal epithelium is the thin layer of tissue that lines the inside of the nose, and in the study the researchers used a chemical to damage that tissue as a model resembling “natural nasal injuries” in humans.

The hypothesis St John is presenting is that nose picking can cause similar damage to the lining of your nose, which could possibly lead to greater volumes of pathogens moving into the brain. And those pathogens in the brain can then trigger a cascade of events that leads to the development of Alzheimer’s disease.

Of course, that leaves a key question – what kind of vigorous nose picking are we talking about here?

Source: Don’t worry – Picking your nose doesn’t cause Alzheimer’s disease

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