Alzheimer’s, Due to Fatal Infection? Cortexyme vs. Annovis Bio $CRTX $ANVS

The question is a simple one. Is Alzheimer's a disease or a syndrome?. If it is a disease then it shall have one particular etiology with one drug to it. Of course, this is a great exaggeration but serves its purpose of illustration the difference between a disease and a syndrome, which is a set of symptoms that can have varied etiology. Talking more in terms of game theory, investing in Alzheimer's drugs can be zero sum game or game where many are going to be winners, although fractionally