Two common proteins begin to spread through the brains of those with Alzheimer’s. Despite decades of study, scientists still don’t understand why they become so dangerous. (Credit: SpeedKingz/Shutterstock)

If you look at the brain of an Alzheimer’s patient, you’ll
see clear and undeniable damage.

Clusters of dead nerve cells. Hard plaques cemented between
cells and thick tangles of proteins twisted up inside the cells themselves.

These are the hallmarks of Alzheimer’s, and they drive