For those who have Raynaud’s disease, you may find that the blood vessels to your fingers and toes tend to overreact to certain situations by limiting blood flow — turning your fingers white or blue! The attack may only last a few minutes, but it leaves your extremities numb and throbbing.
This rheumatic phenomenon has doctors scratching their heads since there’s no known cause. However, there triggers out there that you can avoid to a few things make sure you don’t have an attack.
See the original post on Micha Abeles’ blog here.