抽烟伤身又伤脑 Middle-aged adults who smoke tended to perform poorly on tests of memory and reasoning compared to nonsmokers, adding to the list of reasons not to smoke, French researchers said on Monday. Analyzing previously collected data on...
Its one of the greatest medical mysteries. Why does a person who never smoked a single cigarette end up with lung cancer? While another person who smokes for decades remains cancer-free. The answer may be buried deep inside our genetic make-up. Thre...