The security scanners in Chengdu have recently generated hot discussions. The focus is on the health impact of the “Weak Photon Full Body Screening System”。


目前世界范围内大部分机场及火车站的安检主要采用金属探测器 (Metal detector)。

Metal detectors are used in most airports and train stations worldwide for security-check purpose.

乘坐飞机出境的你一定经历过全身扫描安检仪(Full body scanner)。

You’ve probably experienced Full Body Scanners when taking flights outside of China.

曼谷素万那普机?。⊿uvarnabhumi Airport),马尼拉尼诺伊·阿基诺国际机?。∟inoy Aquino International Airport),阿姆斯特丹史基浦机?。⊿chiphol Airport),及加拿大与美国的部分机场等采用“毫米波扫描安检仪(Millimeter wave scanner)”。

”Millimeter wave scanners” have been deployed in the Bangkok Suvarnabhumi Airport, Manila Ninoy Aquino International Airport, Amsterdam Schiphol Airport and some airports in Canada and the United States. 

毫米波波长辐射属于微波无线电频谱,是一种非电离辐射。由于毫米波辐射日益广泛的应用,目前对其生物学专项研究也日益增多。尽管目前没有特定研究指出毫米波致癌,2013年,世界卫生组织(WHO,World Health Organization)属下的国际癌症研究机构(IARC,International Agency for Research in Cancer)将非电离辐射(包括毫米波与微波)列为“2B”类,即“可能致癌(Possibly carcinogenic to humans)”。

Millimeter wavelength radiation is a subset of the microwave radio frequency spectrum, belonging to the group of non-ionizing electromagnetic radiation. Due to the increasing ubiquity of millimeter wave radiation, research into its potential biological effects is ongoing. Though there is no specialized study pointing at the associated health risks, the WHO (World Health Organization) IARC (International Agency for Research in Cancer) in 2013 classified non-ionizing radiation such as millimeter waves or microwaves, as “2B”, which means “possibly carcinogenic to humans”.

另一种广泛应用的全身扫描安检仪是“反向散射扫描安检仪(Backscatter Scanner)”,它的主要工作原理依靠低密度X射线,属于电离辐射。本文开头提到的成都“弱光子人体安检仪”其工作原理采用“低剂量X射线”,换句话说,该安检仪跟“反向散射扫描安检仪”是一个工作原理。

Another type of widely used full body scanner is the Backscatter Scanner, which is based on the low density X-ray, a form of ionizing radiation. Chengdu’s “Weak Photon Full Body Screening System”, mentioned in the beginning of the article, is based on “low dose X-ray”. In another word, these two scanners are using similar technology. 

世卫(WHO)属下的国际癌症研究机构(IARC)于2012年将电离辐射列为了“1”类,即“致癌(Carcinogenic to humans)”。

In 2012,the WHO (World Health Organization) IARC (International Agency for Research in Cancer) classified ionizing radiation as “1”, which means “Carcinogenic to humans”.

目前此种安检仪在欧盟区域全面禁止使用,曼彻斯特机?。∕anchester Airport)于2012年移出了该机场最后一台此种安检仪,遵循“不冒险危险公民健康和安全(in order not to risk jeopardizing citizens' health and safety”的原则。美国在经历了风口浪尖的争论后,也于2013年将此类安检仪于机场全部撤出。

The backscatter scanners are banned in the European Union. In 2012, the last backscatter x-ray machines were removed from the Manchester Airport following the principle of the European Union- 'in order not to risk jeopardizing citizens' health and safety.' The United States removed all the machines from its airports in 2013, following severe public disputes.

Dr. Josh Axe明确指出

Dr. Josh Axe points out these five groupsof people MUST avoid backscatter scanner

Older travelers over the age of 65

Certain females sensitive to mutagenesis- provoking radiation

Immune compromised individuals

Children and adolescents

Pregnant women

Dr. Stephen Sinatra- 国际知名心脏专家则采取着更为谨慎的态度:在确切知道安检仪对健康无影响之前,一律选择手检。

Dr. Stephen Sinatra, a highly respected and sought-after cardiologist is taking one step further: joining the "opt out" line for a pat down until getting more clarification that any scanner is truly safe.


How will you choose?

参考信息 References

Business Traveller. (2012) Bangkok’s Suvarnabhumi Airport boasts new body scanners.

CBC News (2010-01-05). Body scanners coming to Canadian airports.

DailyMail. (2013) TSA pulls ALL X-ray body scanners from airports over privacy concerns... but claims they were never a health risk to fliers.

Dr. Axe (2012). “I Opt Out:” What You Must Know About New Airport Backscatter Scanners.

Dr. Stephen Sinatra (2014) Are Airport Security Scanners Safe?

Esperas R. (2015) Full-body scanners ready for use in NAIA terminals.

IARC. http://monographs.iarc.fr/ENG/Classification/latest_classif.php

Schoofs M. (2013) TSA removes body scanners from airports. ProPublica

TSA: Imaging technology. tsa.gov


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Dr. Josh Axe,具正规美国资格认证自然疗法医师(DNM)、整脊医师(DC)及临床护理专家(CNS)。他于2008年成立了自己的健康中心,致力于用食物治病,该健康中心目前成为世界范围内最大的健康机构之一。

Dr. Josh Axe, DNM, DC, CNS is a certified doctor of natural medicine, doctor of chiropractic and clinical nutritionist with a passion to help people get healthy by using food as medicine.  In 2008 he started Exodus Health Center, which grew to become one of the largest functional medicine clinics in the world.

Dr. Stephen Sinatra,国际备受尊崇的英国心脏病专家,创新性的以综合手法治疗心血管疾病,并有着35年临床经验及研究经历,著有大量权威出版物及屡次获邀参加国际重大会议。

Dr. Stephen Sinatra is a highly respected and sought-after cardiologist whose integrative approach to treating cardiovascular disease has revitalized patients with even the most advanced forms of illness. His expertise is grounded in more than 35 years of clinical practice, research, and study. He is active primarily as an author, speaker, and advisor for the research and development of nutritional supplements.






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