>FDA is now narrowing the recommended window of patients to only those with milder forms of the memory-robbing disease. ..

So not really walking back. What a joke! Just a hand full of bullshit "research" showing "good effectiveness", away from expanding the recommended window to what it was earlier.

Can someone tell me why people still believe institutions such as these?

The most mind boggling thing for me is that they went ahead with approval even after the whole controversy was in news!