Which gut bacteria are associated with a higher risk of Alzheimer’s disease?


  • Studies have suggested that the health of a person’s gut microbiome can affect their overall health.
  • Previous research has also shown a correlation between gut health and diseases like Alzheimer’s disease and other types of dementia.
  • Researchers from the University of Nevada, Las Vegas have identified 10 specific types of bacteria in the gut associated with the likelihood of developing Alzheimer’s disease.

Over the past few years, we have learned more about how the health of the gut microbiome affects a person’s overall health.

Previous studies show having the proper amount of good bacteriaTrusted Source in the gut helps with proper nutrient absorptionTrusted Source and keeping the body’s immune systemTrusted Source healthy.

Additionally, research suggests a well-balanced gut microbiome may help ward off diseases such as inflammatory bowel diseaseTrusted SourceCrohn’s diseaseTrusted Source, and ulcerative colitisTrusted Source.

And other studies show there may even be a correlation between gut health and diseases like cardiovascular diseaseTrusted SourcediabetesTrusted SourceobesityTrusted Source, and neurodegenerative diseasesTrusted Source such as Alzheimer’s diseaseTrusted Source and other types of dementiaTrusted Source.

Now, researchers from the University of Nevada, Las Vegas have identified 10 specific types of bacteria in the gut associated with the likelihood of developing Alzheimer’s disease.

Researchers hope their findings will eventually lead to new treatments to help lower an individual’s risk of developing the disease.

This study was recently published in the journal Scientific ReportsTrusted Source.

How do I know if my gut microbiome is healthy?

The gut microbiome consists of literally trillions of microscopic organisms living in the body’s intestinal tractTrusted Source. These microorganisms consist of bacteria, fungiTrusted SourcevirusesTrusted Source, and other organisms that assist with:

  • nutrient absorption from food
  • breaking down fiber
  • recovering energy from food metabolism
  • keeping the gut safe from diseasesTrusted Source.

Every person’s gut microbiome is different. What is in it depends on a person’s dietTrusted SourcegeneticsTrusted Sourcemedication useTrusted Source, and their surrounding environmentTrusted Source.


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