Hi my sister is 39yrs she has lived in serveral places (iceland, japan, alaska, puerto rico and lives in Norfolk VA) she return from Puerto Rico about 3 to 4 wks ago and started to experience body heat that travels up her spine and to her head , she also gets tingling feelings in her hands and left side of body she has also mentioned numbness on her nose, she has been to several doctors and no answers to what she has - any ideal what this can be caused from or what is causing these issues one more thing she also cannot sleep