that he had alzheimer's. was a period of years. that's five years. few easierdd maybe a after that when he was communicating and recognizing her. in the latet came 1990's where he was telling didn't recognize her. then he died in 2004. at the at 80th birthday, margaret thatcher was the library. reagan got up and spoke. spoke about thatcher. my life really began when i met her. it's been rich and full ever since. there when they left the white house, when it was really magical for him tour that mrs. reagan gave to c-span, she talked about the effect ond her as his partner. let's watch. >> what have you learned about the disease? probably the worst disease you can have. >> why? lose contact. you're unable to share. not able to share all of those that we have.ries wonderful life. >> can you have a conversation make sense to you with the president? >> not now. no. youhe letter itself were with him? >> i was with him. we were in the library. the table ing at the library. it.at down and wrote that was it. >> first draft? >> first draft. word there.ut one i think it was one or two words.
, i used to be the scientific director of the national alzheimer's association. i was taking questions on aluminum back in the 1980's. it had aid think connection. as it turns out, aluminum is everywhere in the environment. it is in the water you drink, all the food, everywhere. you cannot get away from it. what happens is it does accumulate in the brain, once the brain is damaged because there are barriers to keep it out of the brain normally, but some aluminum can creep in. they had some but contamination on the water. strong evidence of heavy metals causing the disease, but there is an association because of the barriers that can break down to allow some of the metals in. host: the alzheimer's association published a fact only 45 of those who were diagnosed with alzheimer's say they were aware of it, and it shows that two thirds of those are women. is there something gender related that we should know about? guest: there are two things going gone. one, women live longer, so they have more time to get the disease. that is part of it. there also seems to be some gender speci
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