And if you already have cancer, colds can cause it to spread. And so over the normal course of your life, you should pay attention to preventing colds. Before and after operations or sex, and--if you are a woman--during menstruation, after giving birth, or after having a miscarriage or abortion, it is particularly important to prevent colds from occurring.
感冒，會成為慢性病的根源，或患癌症時會促使癌症轉移，因此平日要注意預防感冒，並且在手術前後、行房之後，或是女性的經期間、產後、流產及墮胎後，尤其要避免感冒的情形發生。