一遇到昼夜温差大,有些人就会流着鼻涕、喷嚏连连、发烧感冒、伤风休息。这些人自己可能会自嘲:经常感冒不会得癌症,这是报刊上讲的,说是常年不感冒者易得癌症。但是,有关专家说,如果你经常感冒,却又对它掉以轻心,那就错了。因为感冒是人体免疫系统对外界环境、感冒病毒抗衡的过程,频繁感冒正是机体免疫力低下的警报灯!免疫力是指机体抵抗外来侵袭,维护体内环境稳定性的能力。空气中充满了各种各样的微生物:细菌、病毒、支原体、衣原体、真菌等等。当人体免疫力不足的情况下,它们都可以成为感冒的病原体。虽然人体对不同的病原体会产生相应的抗体,以抵御再次感染,但抗体具有专一性和时限性,也就是说比如链球菌抗体只能在较短时期内保护机体不受 A large temperature difference between day and night, some people will runny nose, sneezing again and again, fever flu, cold rest. These people may self-deprecate themselves: often do not get a cold cancer, which is the newspaper, said that perennial influenza is not easy to get cancer. However, experts say it is wrong if you often catch a cold and take it lightly. Because the cold is the body’s immune system on the outside world, the process of counter-current cold virus, frequent cold is the body’s immune system alarm light! Immunity refers to the body’s resistance to foreign invasion, to maintain the stability of the environment’s ability. The air is full of a wide range of microbes: bacteria, viruses, mycoplasmas, chlamydia, fungi and more. When the body’s immunity is low, they can all become pathogens of a cold. Although the body produces antibodies against different pathogens to protect against further infections, the antibodies are specific and time-limited, meaning that, for example, streptococcal antibodies protect the body only for a short period of time