推荐回答(4个)
脱发的原因,大致有以下几种情况: (1)内分泌紊乱。有关专家指出,脱发与人体内雄性激素增多有关。另有学者发现,患甲状腺疾病的病人合并脱发者很多,从而认为脱发与甲状腺素有关。 (2)精神、神经失调。一些青年人由于遭受沉重的打击,或长期精神紧张、忧郁而产生脱发。 (3)遗传。脱发患者有家族史者占20%。在遗传中,对男性呈显性遗传,对女性呈隐性遗传,这就是脱发患者男多于女的原因之一。 (4)免疫功能障碍。临床上发现,红斑狼疮、溃疡性结肠炎等免疫系统障碍者常伴有脱发。 (5)病灶感染。由于真菌、细菌及病毒引起感染,可导致局部血管发生血栓或小血管炎,而使其支配范围的头发,由于血液供应受到障碍而产生脱发。 (6)饮食不当及脂肪代谢紊乱。有些男青年过分喜欢食肉、酗酒,当体内大量产生胆固醇时可使皮脂过多,从而影响毛囊的血液供应。阻碍头发的正常生长而致头发脱落。 (7)血虚肾亏。中医学认为,脱发乃血虚肾亏之故。 (8)头发受损。国外有专家经过调查指出,长期使用染发剂,可在2~20年中出现脱发现象。
掉头发的原因:
脂溢性脱发:常常出现在中青年身上,表现为头皮上有较厚的油性分泌,头发光亮,稀疏而细,或者头发干燥,头屑多,无光泽,稀疏纤细。
神经性脱发:斑秃亦叫圆形脱发、俗称鬼剃头,中医又谓之油风。患者常在发病前有精神上的打击,但是脱发部位的毛囊是存在的,待病因解除后,毛囊可能会重新长出正常的头发。
病理性脱发:主要由于病毒、细菌、高热对毛母细胞有损伤,抑制了毛母细胞正常分裂,使毛囊处于休克状态而导致脱发,如急性传染病、长期服用某种药物等。
疤痕性脱发:由于感染、烫伤、烧伤、创伤及电击伤等使头皮形成疤痕、使毛囊受损引起的脱发。
感染性脱发:细菌感染可以引起脱发,头部脓肿性凿性毛囊周围炎、瘢痕疙瘩引起性毛囊炎和脱发性毛囊炎均可导致永久性瘢痕性脱发。
药物性脱发:因药物引起的脱发,头发绝大多数是可以再生的。化疗药物引起的脱发最常见。
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精神性脱发:精神压力引起会引起出汗过多和皮脂腺分泌增强,产生严重的头垢,头发生存的环境变坏,从而导致头发弥漫性脱落。
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营养代谢性脱发:食糖过多、食盐过多、蛋白质缺乏、铁缺乏症、缺锌以及缺乏B族维生素如:B2(核黄素)、B3(泛酸)、B6和生物素等。
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肥胖性脱发:大量的饱和脂肪酸在体内代谢后产生废物,堵塞毛囊导致脱发
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遗传性脱发:脱发也是有遗传性的,一般男性呈显性遗传,女性呈阴性遗传。
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内分泌性脱发:甲状腺功能低下或亢进、垂体功能减退、甲状旁腺功能减退、雌激素不足,如更年期等也可引起开脱发。
脱发原致几种情况:
(1)内泌紊乱关专家指脱发与体内雄性激素增关另者发现患甲状腺疾病病合并脱发者认脱发与甲状腺素关
(2)精神、神经失调些青由于遭受沉重打击或期精神紧张、忧郁产脱发
(3)遗传脱发患者家族史者占20%遗传男性呈显性遗传性呈隐性遗传脱发患者男于原
(4)免疫功能障碍临床发现红斑狼疮、溃疡性结肠炎等免疫系统障碍者伴脱发
(5)病灶染由于真菌、细菌及病毒引起染导致局部血管发血栓或血管炎使其支配范围发由于血液供应受障碍产脱发 (
6)饮食及脂肪代谢紊乱些男青喜欢食肉、酗酒体内量产胆固醇使皮脂影响毛囊血液供应阻碍发致发脱落
(7)血虚肾亏医认脱发乃血虚肾亏故
防止或者减少脱发断发
1、吃黑芝麻:要注意补充营养吃些含铁、钙、锌、维素A、B、C及含蛋白质较食品豆制品、紫菜、脱脂奶、海鲜等补充发营养提高发质性吃些黑芝麻栗妨性洗净适量黑芝麻烘干用瓶装起每吃汤勺
2、干洗:采取些护发保健措施规梳梳理发能清除发尘土、污垢、皮脂腺及汗腺泌物等起干洗效 3、搓皮:c每早起床晚睡觉前双手十指插入发内按照前额经顶脑顺序揉搓皮每2钟至4钟经按摩皮改善皮营养促进皮血液循环
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