Originally Posted by
Machka
I do wonder about Reynaud's Syndrome when it comes to your tingling fingers ... do they turn blue too?
I was also wondering about Reynaud's, because mine often kicks in long after I've returned.
I don't know what's actually going on, but my operating theory is that while you're working hard, the warm blood is pumping nicely through your system -- i.e. heating up your fingers with nice warm blood helps keep them warm which keeps blood vessels big so more warm blood can flow for a nice self reinforcing cycle.
I have found that keeping my forearms warm noticeably helps with Reynaud's