Microbiome: Certain gut microbes may warn of Alzheimer’s disease long before the first symptoms begin

What if the microbes in your gut could act as an early warning system, alerting you that you could be developing Alzheimer’s disease? This might sound improbable, but recent research has found certain microbes are more common in those with very early signs of the disease, pointing to a potential new method of diagnosis for a disease that affects millions worldwide.