Every three seconds, someone in the world develops dementia. Alzheimer's disease is the most common form of dementia, accounting for between 60% and 70% of all cases.

Although scientists have made significant progress in understanding the disease, there's still no cure. That's partly because Alzheimer's disease has multiple causes – many of which are still not fully understood.

But in a surprise twist, recent research published by my colleagues and me has found that a protein from Helicobacter pylori – a bacteria best known for causing stomach ulcers – can block the toxic buildup of both amyloid-beta and tau.

This unexpected finding may point to a new strategy for the fight against Alzheimer's disease.

https://www.sciencealert.com/stomach-ulcer-bacteria-could-be-a-surprise-ally-against-alzheimers