One of my colleagues has always felt cold hands and feet since the beginning of last winter. At first he thought it was the heating problem. But soon he changed his office and moved to another building. The problem remained the same, which made him suspicious of himself. He searched the Internet and found that if the blood vessels contracted, there would be such a phenomenon. So he went to a doctor. As a result, everything was normal after some examination. The doctor finally told him that he might be getting old, so go home and put on more clothes. My friend was naturally not satisfied with this unclear explanation in the back row, but he could only go home Read More …