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Scientists at Griffith University have revealed that picking one's nose can be deadly to human health.
An experiment on mice showed that bacteria that are in the nose can enter the brain along the olfactory nerve. According to a study published in the journal Scientific Reports, nose picking can cause wounds that are “open doors” for bacteria.
If Chlamydia pneumoniae bacteria enters the bloodstream and then the brain, it can lead to Alzheimer's disease. However, a new study showed that the bacterium enters the olfactory and trigeminal nerves, as well as the olfactory bulb and brain as early as 72 hours after intranasal administration.
The study shows that the habit of picking the nose may be a risk factor development of a dangerous disease. The scientists also concluded that the nerves that extend between the nasal cavity and the brain represent the invasion pathways by which C. pneumoniae can quickly enter the CNS.
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