Hair loss can be destructive for the millions of men and women who experience it. Now scientists are reporting that a substance

admin2016-06-09 73

问题       Hair loss can be destructive for the millions of men and women who experience it. Now scientists are reporting that a substance from honeybee hives might contain clues, for developing a potential new therapy.
      They found that the material, called propolis, encouraged hair growth in mice. The study appears in ACS Journal of Agricultural and Food Chemistry.
      Ken Kobayashi and colleagues note that propolis is a resin——like material that honeybees use to seal small gaps in their hives. Not only does it work as a physical barrier, but it also contains active compounds that fight fungal and bacterial invasions. People from ancient times had noticed propolis’ special properties and used it to treat tumors, inflammation and wounds. More recently, research has shown that the substance promotes the growth of certain cells involved in hair growth though no one had yet tested whether that in turn would result in new locks. Kobayashi’s team wanted to find out.
      When the researchers tested propolis on mice that had been shaved or waxed, the mice that received the treatment regrew their fur faster than those that didn’t. The scientists also noticed that after the topical application, the number of special cells involved in the process of growing hair increased. Although they tried the material on mice that could grow fur rather than balding mice, the researchers note that hair loss conditions often result from abnormal inflammation. Propolis contains anti-inflammatory compounds, so they expect it could help treat balding conditions. They add that further testing is needed to see if the beehive material affects human hair follicles.
What may cause hair loss according to the passage?

选项 A、Severe inflammation
B、Headache
C、Fungal
D、Cancer

答案A

解析根据第四段倒数第三句可知，研究者发现经常掉头发是因为异常的炎症，故本题选A。

转载请注明原文地址:https://kaotiyun.com/show/Ebdq777K

本试题收录于：中学英语题库特岗教师招聘分类

中学英语

特岗教师招聘

相关试题推荐

随机试题

最新回复(0)

Hair loss can be destructive for the millions of men and women who experience it. Now scientists are reporting that a substance

中学英语

特岗教师招聘

班主任张老师按照学生的期中考试成绩调整座位，将考试成绩后5名的学生安排在教室的最后一排。张老师的做法()。

我国教育法规定，国家适应社会主义市场经济发展和社会进步的需要，推进教育改革，促进各级各类教育协调发展，建立和完善()体系。

()是由学校针对学生的兴趣和需要，依据当地社会经济发展的具体情况，结合学校的传统和优势，充分利用学校和社区的课程和资源，自主开发和实施的课程。

新能源产业是衡量一个国家和地区高新技术发展水平的重要依据，也是新一轮国际竞争的战略制高点。由于政府的大力扶持，我国新能源产业发展迅猛。从经济角度看，政府扶持新能源产业是因为()

Everybodyknowshowtolearn.Learningisanaturalthing.Itbeginsthe【C1】_______weareborn.Ourfirstteachersareourfamil

TranslatethefollowingpassageintoChinese.InoneHongKongsecondaryschooleverycandidateforateachingpostisasked