Alzheimer’s: bacteria that causes stomach ulcers may protect the brain, our new research indicates

_H pylori_ is more commonly known as the culprit of stomach infections. Corona Borealis Studio/ Shutterstock

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.