Alzheimer's and dementia risk factors can be increased by nose picking.
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Digging your nose is a weird habit. Those who are bored or anxious sometimes pick their noses.
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This behaviour may raise your chances of developing dementia or Alzheimer's disease
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Picking your nose can introduce potentially harmful microorganisms into your brain.
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The Chlamydia pneumonia bacteria, which may infect individuals and cause pneumonia, is found in the majority of human brains affected by late-onset dementia.
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According to the study, it entered the central nervous system through a nerve that connects the nasal cavity to the brain.
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The brain cells subsequently reacted by depositing amyloid beta protein, which is a hallmark of Alzheimer's disease.
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Professor James St. John, noted in a press release, "We observed this happen in a mouse model, and the evidence is potentially worrisome for humans as well."
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According to the study, the olfactory nerve is in contact with air and serves as a direct channel to the brain.
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The research is not yet completed as it has not been tested on humans.