Check the link in comment# 35. It's not junk science. It's a discussion of risk factors. The female to male ratio in RA about 9 to 1. Women who already have RA before they become pregnant typically go into remission during pregnancy. Something is happening with hormones, although it's just not the whole story.
Soooooooooo...is a cure for arthritis to be constantly pregnant now?
Egyptian mummies and the remains at Pompeii have been studied by forensic scholars.They've found arthritis in many remains.This doesn't jive with this article's positions.