You can help researchers understand how the bacteria in your gut affect healthy brain aging.

With age, the bacteria in your gut can become unbalanced and cause inflammation in the brain. Researchers want to understand why this happens so that they can develop new strategies for healthy brain aging.  You may be eligible to receive compensation of up to $25 at the end of your participation.

You may be eligible to participate if you:


  • Have never had a stroke
  • Are between the ages of 55-85
  • Have no history of cancer, Alzheimer’s Disease, or HIV

If you are interested in learning more about this study, please complete this form:
I give permission to receive study-related text messages
How did you hear about this study?, KY Women's Health, Sanders-Brown, etc.
CISCRP,, CenterWatch, etc.