Peter Attia· MD
and so in 2011 with the advent of amyloid imaging you know pittsburgh compound was the first thing that came out that allowed us to see that although its half-life is so terribly short that it really is not clinically um useful because it has to be made and used within minutes um but you know that really allowed us to redefine what alzheimer's is so that we could see this amyloid building up in patients before they started to have symptoms