proteins -- get gunked up with proteins that don't work well. it causes alzheimer's two times more likely to occur. it may have something to do with estrogen or the x chromosome. that's the next step in this research. when we find out why we'll be able to correct. we'll say you have that gene, here is what we can do to correct that g decreasing your chances of cognitive problems or alzheimer's. patti ann: it will have something to do with ma name lating estrogen in women? >> i think it's the estrogen receptor. stanford university is all over this. it's either going to be the estrogen receptor or it will