 |
 |
Mary Ann I've wondered the same thing. Of course I am ignorant of the biological sciences, but still can't understand how you could lose 80% of those cells, then suddenly, everything slowly starts to go. My PET scan was read as "consistent with Parkinson's disease". I don't think scientists have a very good understanding of this mysterious disease. Ray ----- Original Message ----- From: "Mary Ann Ryan" <[log in to unmask]> To: <[log in to unmask]> Sent: Sunday, July 31, 2005 6:10 AM Subject: Re: Scientists create working brain cells > > > Greg wrote: > It is important to remember how long it appears to take to become > symptomatic with Parkinson's. Not until 80% of the neural cells are dead > or > dormant do the first symptoms of PD appear. > ------------------------ > > My question is......how do scientist know this?? This is one of those > suppositions that I am not sure is backed up by fact. Since PET scans are > seldom done in PD and we have already been made aware on this list of the > supreme difficulty in obtaining PWP's brains for autopsy, where did this > 80% fact come from? I'm wondering if this fact is like the 'estrogen > prevents heart disease and dementia' proclamation. > ------------ > God bless > Mary Ann (CG Jamie 65/25 with PD) > > ---------------------------------------------------------------------- > To sign-off Parkinsn send a message to: > mailto:[log in to unmask] > In the body of the message put: signoff parkinsn > ---------------------------------------------------------------------- To sign-off Parkinsn send a message to: mailto:[log in to unmask] In the body of the message put: signoff parkinsn