癌症替代疗法
癌症替代疗法(Alternative cancer treatment)是指宣称可以治疗癌症、有异于现代医学通行的治疗癌症方法的替代医学疗法[2],例如特殊的饮食、运动,或服用某些药物、药草,使用特定的设备,或是接受手疗等等。绝大部分癌症替代疗法都没有循证医学证据的有力支持,因此又常常被归入伪科学之列[3][4][5][6]。一篇2006年的综述回顾了196项癌症替代疗法的临床试验,发现这些试验大都存在严重的方法学问题[7]。一项回溯性研究表明,接受癌症替代疗法者在五年内死亡的概率比接受通行的癌症疗法者高2.5倍[8]。
![](http://upload.wikimedia.org/wikipedia/commons/thumb/b/bc/WPA_quack_poster.jpg/220px-WPA_quack_poster.jpg)
许多发展中国家的癌症病人会由于无力支付昂贵的医疗费用等因素而选择癌症替代疗法。例如,研究表明,大约40%的非洲癌症患者会使用巫术、草药疗法等方法治疗癌症。在中国,超过四分之三的癌症患者会接受中药等中医疗法作为治疗癌症的一种方式。拉丁美洲的大多数癌症病人也会接受草药、营养补充剂之类的替代疗法[9]。而在发达国家,也有不少人在接受通行的癌症疗法的同时接受癌症替代疗法[10][11]。
癌症的辅助疗法有时会与癌症替代疗法相提并论[9][12],但辅助疗法(如按摩、催眠等)的主要目的是缓解癌症带来的病痛而非治疗癌症本身[13],在不干扰通行癌症疗法的前提下进行一些已被证明对减缓不适有效的辅助疗法并非没有可取之处[14]。
例子
编辑本节列举一些常见的癌症替代疗法,并列出相关的科学研究证据。
替代疗法名称 | 说明 | 科学证据 |
---|---|---|
芳香疗法 | 使用精油等芳香物质,用按摩、泡澡、熏香等方式使其得到人体吸收。支持者认为闻到芳香味能使人变得健康 | 美国癌症协会认为没有证据表明芳香疗法对癌症有疗效[15] |
阿育吠陀 | 印度的传统医学 | 英国癌症研究基金会认为没有证据表明阿育吠陀的疗法对癌症有疗效[16] |
食疗 | 一些支持者认为如碱性饮食[17]、巴德维饮食疗法[18]、吃粗粮[19]等饮食方式有助于治疗癌症 | 没有科学证据表明饮食疗法能治疗癌症,一些食物疗法甚至可能对人体有害[18][20][21] |
禁食疗法 | 又称为“饥饿疗法”,一些支持者认为禁食能“饿死癌细胞”[22] | 美国癌症学会认为禁食疗法对癌症治疗没有助益[23]。英国与法国的癌症研究机构也持同样看法[24][25][26]。甚至有使用饥饿疗法导致病人病情进一步恶化的个案[27] |
中草药疗法 | 不少中国的癌症患者会将传统中草药疗法作为癌症治疗的选项之一 | 尽管确实有一些主流的抗癌药物(如紫杉醇)最初是从植物中发现的,目前没有明确的证据表明中草药等草药疗法对治疗癌症有作用。支持中草药能治疗癌症的证据大都源自中国的研究[28] |
顺势疗法 | 顺势疗法认为小剂量使用一些能让健康人致病的物质反而有治疗效果,也就是所谓的“以毒攻毒”[29] | 没有严谨的科学证据表明顺势疗法有效[30] |
针灸 | 中医传统疗法,以针灸针对穴位进行刺激 | 针灸疗法对癌症本身的治疗没有帮助。一些证据表明针灸能缓解癌症带来的恶心,但学界对针灸是否能缓解恶心尚有争议[31][32][33] |
电疗 | 使用电击的方法治疗癌症 | 没有任何证据表明电疗对癌症治疗有效。一些销售癌症电疗设备的经销商已遭美国食品药品监督管理局(FDA)起诉[34] |
参见
编辑参考文献
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- ^ Complementary and Alternative Medicine (CAM) for Patients. National Cancer Institute. 2015-04-10 [2019-11-13]. (原始内容存档于2022-09-21) (英语).
- ^ Green S. Pseudoscience in Alternative Medicine: Chelation Therapy, Antineoplastons, The Gerson Diet and Coffee Enemas. Skeptical Inquirer. 1997, 21 (5): 39.
- ^ Vickers, AJ; Cassileth, BR. Living proof and the pseudoscience of alternative cancer treatments.. Journal of the Society for Integrative Oncology. 2008, 6 (1): 37–40. PMC 2630257 . PMID 18302909.
- ^ Grimes, David Robert. The Struggle against Cancer Misinformation. Cancer Discovery. 1 January 2022, 12 (1): 26–30. ISSN 2159-8274. PMID 34930788. S2CID 245373363. doi:10.1158/2159-8290.CD-21-1468. eISSN 2159-8290.
This dubious amplification of pseudoscience diminishes trust in the medico-scientific sphere. Cancer misinformation is harmful even when it is not fully embraced or believed, precisely because it creates a lingering impression that no medical consensus exists on the topic or that official sources of information lack credibility.
- ^ Ernst, E. Alternative cancer cures. British Journal of Cancer. August 2001, 85 (5): 781–782. ISSN 0007-0920. PMC 2364136 . PMID 11531268. doi:10.1054/bjoc.2001.1989. eISSN 1532-1827.
Alternative cancer cures (ACCs) typically have a common life cycle (Ernst, 2000). At the origin of almost every ACC is a charismatic individual who claims to have found the answer to cancer. He (the male sex seems to dominate) often supports his claims with pseudoscientific evidence referring to (but rarely presenting) many cured patients. Thus he soon gathers ardent supporters who lobby for a wider acceptance of this ACC. The pressure on the medical establishment increases to a point where the treatment is finally submitted to adequate testing. When the results turn out to be negative, the ACC’s proponents argue that the investigations were not done properly. In fact, they were set up to generate a negative result so that the commercial interests of orthodoxy would not be threatened. A conspiracy theory is thus born, and the ACC lives on in the ‘alternative underground’.
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- ^ Overview of CAM in the United States: Recent History, Current Status, And Prospects for the Future. White House Commission on Complementary and Alternative Medicine Policy. March 2002. (原始内容存档于2 September 2011).
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- ^ The Truth About Alternative Medical Treatments. America Cancer Society. [2023-03-27]. (原始内容存档于2023-04-03).
- ^ Aromatherapy. American Cancer Society. (原始内容存档于5 September 2010).
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In the long run, the best diet to follow is one that promotes an alkaline pH using the 80/20 rule. The diet that best epitomizes this rule is the Edgar Cayce diet.
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