Diagnostic Imaging Services shares a news report that indicates that when it comes to what causes Alzheimer’s disease, researchers may have been barking up the wrong tree.

Every 67 seconds someone develops Alzheimer’s, and it remains an elusive, incurable disease for now. However, anew breakthrough in Alzheimer’s research may make the path clearer for diagnosing and even preventing the disease one day.

A new Mayo Clinic study published in the journal Brain shows that a toxic protein, called tau, may be a bigger culprit in cognitive decline and Alzheimer’s over the lifetime of the disease.