Wally Day wrote:

 >The graph I used, which I can no longer get to since the page has
 >apparently been deleted, showed lactose intolerance to be lowest in the
 >U.S., Northern Europe, and Australia (something like 10-20% of the
 >population), and highest in China and among Native Americans (90%+). In
 >fact, in a few really isolated areas, it was near 100%.

No graph, but is this the data?

http://wsrv.clas.virginia.edu/~rjh9u/lacdata.html

Don.