传言:手指上长倒刺常见又烦人。网上有人说这是因为缺乏维生素造成的,应该多补充维生素了。这种说法是真的吗?求证:北京大学第一医院皮肤科主任医师杨淑霞说:“长倒刺和缺乏维生素没有关系。倒刺,也叫逆剥,是一种皮肤或者说表皮不健康的表现。手指上长倒刺的人,可能皮肤比较干,清洗比较多;有的人做某些动作会经常摩擦手指的表皮; Rumor: Finger barbs are common and annoying. Some people say this online because of the lack of vitamins, should be more vitamin supplements. This argument is true? Confirmation: Peking University First Hospital dermatology chief physician Yang Shuxia said: ”long barbed and lack of vitamins does not matter. Barbed, also known as reverse stripping, is a skin or skin is unhealthy Performance barb on the fingers of people may be more dry skin, cleaning more; some people do some of the movements will often rub the skin of your fingers;