Kristina-Nadler SorrelliRare disorder can turn fingers and toes white or blue when it's coldverified_publisherTODAY - A. PawlowskiAny type of cold can be a trigger, including reaching into the freezer, holding a chilled drink or relaxing in an air conditioned room. Rachel Smith has an extra reason to dread winter. When it’s cold, her body overreacts, narrowing the blood vessels in her extremities so much that they turn deathly …