i want to acknowledge erik rhimon who has been articulating this for years that maybe before the rain is ravaged is th. could it slow down or prevent loss of memory that other things that could possibly occur. can we slow down damage that occurs to the brain, and measure that slowing affect with sense stiff brain imagerying and will we be able to do faster studies in the future based on bio markers. and lastly this may an good test of the sow called amyloid hypothesis. does this apply at the same stage before the symptoms emerge, slow down or derail the whole disease process. >> thank you, good luck with the research. >> thank you. >> we'll take a god shark. when we return we'll look at treatment and a possible cure. this is "inside story." >> welcome back to inside story. i'm ray suarez. >> welcome back to inside story. i'm ray suarez. we're looking at alzheimer's disease and research with new treatment. we welcome our guests. dr. peterson, we've been talking about clinical trials and apoe 4. but what about now. is there anything we can do for people who are early in the disease toda