> It is the first time a drug that attacks the suspected causes of Alzheimer’s has received approval from the Food and Drug Administration (FDA): ... but is has

> It is the first time a drug that attacks the suspected causes of Alzheimer’s has received approval from the Food and Drug Administration (FDA): ... but is has not yet been proven that this implies clinical benefits for patients. It is still unknown if the treatment works. It's been approved, ... for what, then?