On Wed, 1 Sep 2004, Howard Brazee wrote: > warbi wrote: > > > Heh, point ceded on the age of menarche issue- I read quite some > > time ago about the earlier onset, but should have done a quick search > > on the age before I typed <bangs head on keyboard>. > > Menarche is strongly associated in the amount and quality of light the girls > get. Artificial light makes a difference. Correlation does not imply causation... In this context I've heard discussion of high-fat diet, hormones in meat, ...