Does this happen to your fingers when it's cold? This is Raynaud's phenomenon, a common condition that's usually triggered by cold temperatures, anxiety, or stress. The most common type of Raynaud's Brittle Cornea Syndrome: Molecular Diagnosis and Management HAND ARM VIBRATION (Chainsaws) FERTILILY Conception Gel 50ml Sperm Friendly Fertility Lubricant for Conception Buy Now with Express International Delivery GoSupps.com Raynaud's phenomenon is a condition where small blood vessels in the fingers and toes suddenly narrow in response to cold or stress. This causes the classic color changes: white (reduced blood flow),