, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , poor blood circulation poor blood circulation poor blood circulation poor blood circulation poor blood circulation poor blood circulation poor blood circulation poor blood circulation poor blood circulation poor blood circulation poor blood circulation poor blood circulation poor blood circulation poor blood circulation poor blood circulation poor blood circulation poor blood circulation poor blood circulation poor blood circulation poor blood circulation poor blood circulation poor blood circulation poor blood circulation poor blood circulation poor blood circulation poor blood circulation poor blood circulation poor blood circulation poor blood circulation poor blood circulation poor blood circulation poor blood circulation poor blood circulation poor blood circulation poor blood circulation poor blood circulation poor blood circulation poor blood circulation poor blood circulation poor blood circulation poor blood circulation poor blood circulation poor blood circulation poor blood circulation poor blood circulation poor blood circulation poor blood circulation poor blood circulation poor blood circulation poor blood circulation poor blood circulation poor blood circulation poor blood circulation poor blood circulation poor blood circulation poor blood circulation poor blood circulation