我是一位年近六十岁的老矿工,二十几岁时就开始吸烟了。上个月因受凉感冒了几天,虽然也断断续续地吃了些药,但咳嗽至今未愈,去医院大夫让我做CT检查,可我觉得这是不是小题大作。请问,我这种情况需不需要做CT?CT会损伤身体吗?读者刘某 I am an old miners nearly sixty years old, began smoking in her twenties. Last month, I had a cold for a few days because of the cold. Although I also ate some medicine intermittently, my cough has not healed so far. The doctor at the hospital asked me to make a CT examination. However, I think this is not a trivial matter. Excuse me, I need this situation do not need to do CT? CT will damage the body? Reader Ryu