J. R. Bruman wrote: > judith richards wrote: > > Subject: How many have PD? > > I have noted the letters recently about statistics concerning the > > number of people with Parkinsons. > > The most credible estimate of PD numbers is that of Lang and Lozano > in the NEJM review I cited recently; 1 million in the US, or about > 0.3% of total population. I've seen elsewhere that that includes > about 3% of those over 60, and the proportion will grow as our > population ages. The point my husband was emphasizing was that the statistics did not come from the medical journal, but (probably) were inserted by the news service, without naming the source. The numbers could have been outdated or from an unreliable source. Judith -- Judith Richards, London, Ontario, Canada <[log in to unmask]> ^^^ \ / \ | / Today’s Research \\ | // ...Tomorrow’s Cure \ | / \|/ ```````