问:似乎每年一到秋季,头发就掉得特别多。晚上洗头的时候,一抓就是一把,梳头的时候也掉很多,感觉不太正常。请问头发掉得多跟季节有关吗?会不会是什么病的征兆呢?湖北小孙答:若你的头发只是比往常掉的多一点,而又没有其他不适,应属正常现象,跟季节变换有关。其实,普通人每天都要掉发,一般在几十根左右。秋季到来,气温下降,为毛囊输送养分的毛细血管收缩,毛囊得不到充分营养,头发容易干枯脱落。脱发一般分为生理性脱发 Q: It seems that once a year, the hair falls a particularly large amount. When shampooing at night, a scratch that is, when a lot of hair loss, I feel not normal. Will the hair fall much with the season? Will it be a sign of disease? Hubei Xiaosun A: If your hair is just a little more off than usual, but no other discomfort, should be a normal phenomenon, with the season Transformation related. In fact, ordinary people hair loss every day, usually in dozens or so. The arrival of autumn, the temperature dropped for the hair follicle delivery of nutrients capillary contraction, hair follicles are not fully nutrition, hair easily dry off. Hair loss is generally divided into physiological hair loss