The Alzheimer’s disease and the bloodstream-brain barrier

When the brain of patients with Alzheimer’s disease was analysed, there was an entire list of disease-causing bacteria, viruses and fungi, and while they were not enough to indicate encefalitis or meningitis, the low levels of pathogens will slowly wear down your defences, making your brain to function suboptimally. It was not really like an all-out war, but more like a sabotage. These findings are both surprising and concerning, as previous it was hypothetised that Alzheimer’s disease (AD) is not infectious.

Oral bacteria have been found repeatedly in the brain of people suffering with AD , as some of their excretions (protein based) were found also. The culprits are Porphyromonas gingivalis. Fusobacterium nucleatun and Prevotella intermedia. Herpex simplex virus (HSV) can live for decades in the nerve cells from your face and lips (trigeminal ganglion cells), causing cold sores when you are stressed or sunburned, but they can also migrate through the same nerve into the brain, producing mild, chronic inflammation, associated with AD.

Syphilis causing bacterium — Treponema pallidum, can live in the body for years, eventually infecting the brain and causing dementia. AD seems to activate a similar pathway, but instead of one single organism causing this, in the case of AD, the mild chronic inflammtion seems to be caused by many different microorganisms associated together.

Another notable presence, The Lyme disease spirochete — Borrelia burgdorferi, has been…