错误 已被科学证据否定 证据确定性: 高 初步 C-SRC-62

香烟是有益的,或者至少是无害的:当被问到香烟是否有益时,他回答"是的,有益";他在别处说,吸烟与动脉粥样硬化毫无关系,从器质上讲"完全无害"。

安全提示: 不要因为这一说法而开始吸烟或继续吸烟。任何年龄戒烟都能降低心脏病发作、中风、肺部疾病和癌症的风险。
简而言之: 这一说法是错误的:即使每天只吸一支烟,也会显著增加心脏病和中风的风险,而吸烟者平均会少活十年以上。
结论: 这一说法是错误的:吸烟在任何程度上都是有害的,会导致心脏病、中风、癌症和过早死亡。

原始表述

انها لا تهضم يعني انت فاهم هل هل السجاير مفيده؟ اه مفيده دغري كده على طول يعني انت فاهم اللحمه ما فيهاش مشكله على

按来源为原话. 译文由本项目提供;以阿拉伯语原文为准。

译文

香烟是有益的,或者至少是无害的:当被问到香烟是否有益时,他回答"是的,有益";他在别处说,吸烟与动脉粥样硬化毫无关系,从器质上讲"完全无害"。

出处

来源状态
视频转录文本(本人原话)
归属
Elawady (machine transcript)
视频
Dr Diaa Al Awady د ضياء العوضي is live! الكورتيزون حياتك (打开来源)
发布日期
2025年10月17日
时间戳
0:16:40 (在原视频 YouTube 自动字幕轨中的位置;可确认该内容出现的位置,但不能确认说话人是谁)
归属的不确定性
Transcript is YouTube CC or machine-generated (no timestamps); wording may contain speech-recognition errors. Speaker attribution within live streams/podcasts is not marked in the transcript; the excerpt was judged to be Elawady's own speech from context. Recurrence = number of archive transcripts matching the keyword pattern ['السجاير|سجاير|التدخين|سيجاره', 'مفيد|مش مضر|ما بتضرش|مضره'] (approximate; includes re-uploads/clips; 28 distinct text passages).
所声称的机制

Not stated.

所声称的健康影响

Not specified.

涉及人群

Smokers.

Elawady 设定的地域限制

none found; he does not limit this statement to a country or to a production system

来源版本存在差异

来源状态
视频转录文本(本人原话)
归属
Elawady (machine transcript)
视频
Dr Diaa Al Awady د ضياء العوضي is live!لايف مش مهم خالص (打开来源)
发布日期
2026年2月11日
时间戳
无(转录文本不含时间信息)
归属的不确定性
Further video in which the same statement recurs; no excerpt recorded. Archive transcript without timestamps.
来源状态
视频转录文本(本人原话)
归属
Elawady (machine transcript)
视频
Dr Diaa Al Awady د ضياء العوضي is live!لايف الخميس ❤️❤️❤️ (打开来源)
发布日期
2026年1月30日
时间戳
无(转录文本不含时间信息)
归属的不确定性
Further video in which the same statement recurs; no excerpt recorded. Archive transcript without timestamps.
来源状态
视频转录文本(本人原话)
归属
Elawady (machine transcript)
视频
بدأت قناة "Dr Diaa Al Awady د ضياء العوضي" بثًا مباشرًا تصليح مفاهيم (打开来源)
发布日期
2026年3月31日
时间戳
无(转录文本不含时间信息)
归属的不确定性
Further video in which the same statement recurs; no excerpt recorded. Archive transcript without timestamps.

الدخان يا حبيبتي مالوش علاقه خالص بتصلب الشرايين خلاص صباح خير اه يعني السجاير مالهاش علاقه خالص بالموضوع ولو من الناحيه الشرعيه هي مش حرام ولو من الناحيه العضويه انا بقول لك مش مضره

Smoking has nothing at all to do with atherosclerosis; cigarettes have nothing to do with it; religiously they are not forbidden, and organically I tell you they are not harmful.

来源状态
视频转录文本(本人原话)
归属
Elawady (machine transcript)
视频
Dr Diaa Al Awady د ضياء العوضي is live! الالتهاب ايه هوه ؟ (打开来源)
发布日期
2025年9月26日
时间戳
1:20:43 (在原视频 YouTube 自动字幕轨中的位置;可确认该内容出现的位置,但不能确认说话人是谁)
归属的不确定性
Archive transcript (YouTube CC or AI-generated); no timestamps; 'published' is the date listed by the archive and may be the upload date. Live-stream transcripts can contain viewer comments read aloud; the quoted passage was checked in context to be spoken by Elawady.

科学评估

错误 – 该说法与可靠证据相矛盾。

证据确定性: 高 – 进一步研究极不可能改变该评估。

1. 说法是什么?

Cigarettes are beneficial (answer to a viewer) or not harmful, and smoking has nothing to do with atherosclerosis.

2. 哪些内容可证实是正确的?

Nothing in this health statement is supported. The only related finding is that smoking is inversely associated with a few conditions such as ulcerative colitis and Parkinson's disease; these associations are modest, partly confounded and do not outweigh the harms (I-SRC-126).

3. 哪些内容是错误或夸大的?

Smoking one cigarette per day was associated with a relative risk of coronary heart disease of 1.48 in men and 1.57 in women (up to 1.74 and 2.19 with full adjustment), about half the excess risk of 20 per day; the authors conclude that no safe level of smoking exists for cardiovascular disease (I-INTB-21). In 50 years of follow-up of British doctors, continuing smokers died about 10 years earlier; stopping at 30 avoided almost all of the excess risk (I-CAN-01). Smoking accounts for 28.5% of US cancer deaths (I-CAN-02). In a US national cohort of over 200,000 adults, current smokers had about three times the death rate of never-smokers and lost more than 10 years of life; quitting before 40 avoided about 90% of the excess risk (I-SRC-113).

4. 哪些内容仍不明确?

Whether the brief 'yes, beneficial' was meant ironically cannot be determined from the transcript; the other passage is unambiguous.

5. 哪些研究支持该说法?

None for benefit; I-SRC-126 describes a few inverse disease associations that do not outweigh harms.

6. 哪些研究与该说法相矛盾?

7. 对德国和欧洲而言情况如何?

Smoking is the leading preventable cause of death in Europe (general knowledge).

8. 关于埃及的已知情况是什么?

Same evidence applies to Egypt; shisha and cigarettes both deliver tobacco smoke (general knowledge).

9. 合理的实际结论是什么?

任何年龄戒烟都能降低风险;医生和药师可以提供戒烟支持。

评估详情

证据确定性的依据

Prospective evidence from 141 cohorts shows that even one cigarette per day markedly increases coronary heart disease and stroke risk (I-INTB-21); continuing smokers died about 10 years earlier than non-smokers (I-CAN-01); smoking is the leading risk factor for cancer deaths (I-CAN-02, I-CAN-03).

来源质量

Machine transcript of a live stream; wording may contain recognition errors; meaning checked in context. The 'yes, beneficial' answer came in a rapid question-and-answer sequence; the other passage (DMH-FBqMz0E) states clearly that cigarettes are not harmful. Related cancer statement: C-CAN-02.

地区可推广性

Universal; smoking prevalence among Egyptian men is high (general knowledge; not sourced here).

个体例外情况

None; no safe level of smoking was identified for cardiovascular disease (I-INTB-21).

说法的地域范围
普遍性(生物学/医学)
最近审核
2026年10月26日 初步

科学证据详解

已被科学证据否定 – 高质量证据显示情况恰恰相反,或该说法与已确立的生理学知识相矛盾。

研究问题: Is cigarette smoking beneficial or harmless, in particular with respect to atherosclerotic cardiovascular disease?

研究问题详解 (PECO)
人群
Adults
干预或暴露
Cigarette smoking (any amount)
对照
Never smoking / quitting
地域范围
universal biology; waterpipe also relevant in Egypt
结局指标
  • All-cause mortality
  • Coronary heart disease and stroke
  • Cancer

研究结果按作者报告呈现。我们的评估见下文。

哪些证据支持该说法?

  • Diseases that seem less common in smokers

    Yılmaz M et al.. Eur Addict Res 2025 · PMID 41129423 · DOI 10.1159/000549064 叙述性综述已核查摘要新增

    Narrative review of diseases with inverse associations with smoking.

    实际结果
    Inverse associations for a few conditions (e.g. ulcerative colitis, Parkinson's disease), often modest and confounded; do not outweigh harms.
    方法学质量
    low (narrative)
    相关性
    indirect; the only factual kernel
    局限
    Not systematic.

    原始文献

哪些证据不支持该说法?

总体证据说明了什么?

基于上述研究的编辑评估——其本身并非研究结果。

哪种观点有更好的证据支持?

Smoking is harmful at any level; it causes atherosclerotic disease, cancer and early death.

为什么有些研究权重更大

Consistent, very large prospective cohorts with dose-response and large effects; causal role established for decades.

因果关系是否已确立? 是,已确立 Large effects, dose-response, consistency, temporality, cessation benefit.

仍存在的不确定性

Whether 'yes, beneficial' was meant ironically cannot be judged from the transcript; the other statement is unambiguous.

合理的结论

Smoking is not beneficial and not harmless; a few inverse disease associations do not change this.

这是否取决于国家?
一般生物学效应
Universal.
饮食习惯
Waterpipe (shisha) also delivers tobacco smoke.
食品原产地
Not applicable.
污染物
Not applicable.
本国生产条件
Not applicable.
法律规则
Tobacco control laws in Egypt and Europe.
实际监测数据
WHO: >7 million tobacco deaths per year.

足以改变结论的地区差异没有可靠数据支持。

统计复核
  • HR CI symmetry (99% CIs) and absolute survival differences – Midpoints 2.98 (women) and 2.73 (men) vs 3.0/2.8 (rounding); survival 70% vs 38% and 61% vs 26% 已重新计算
总体证据的确定性(GRADE,简化版)
主要结局
Cardiovascular disease and mortality from smoking
起始等级
低(观察性研究)
升级理由
  • large effect
  • dose-response
结果
高

由单名审查者参照 GRADE 方法进行的简化评估;并非正式的 GRADE 专家组评估。GRADE 评价的是针对某一结局的整体证据,而非单项研究。

已核查的临床指南和官方声明
  • WHO: Tobacco fact sheet (2026) · 原始文献
    Tobacco kills more than 7 million people each year; there is no safe level of exposure; tobacco use is a major risk factor for cardiovascular and respiratory diseases; waterpipe tobacco listed among tobacco products.
检索策略

本次审查的文献检索记录(检索式采用原数据库语法)。

数据库日期检索式检索目标命中数纳入数
Europe PMC2026年10月26日(smoking OR cigarette) AND ("inverse association" OR "lower risk" OR protective) AND (Parkinson OR "ulcerative colitis") AND (meta-analysis)支持性证据5612
PubMed2026年10月26日21st-century hazards of smoking and benefits of cessation in the United States反对性证据1
Europe PMC2026年10月26日(smoking OR tobacco OR waterpipe OR shisha) AND (Egypt OR Egyptian) AND (prevalence OR mortality OR "coronary") AND PUB_YEAR:[2018 TO 2026]反对性证据15607
PubMed2026年10月26日(smoking[Title] OR nicotine[Title]) AND (Parkinson disease[Title]) AND (meta-analysis[pt] OR "systematic review"[pt])支持性证据14
WHO website2026年10月26日WHO tobacco fact sheet指南1

核查深度如何?

6 项相关研究:2 项核查了全文(其中 2 项进行了结构化偏倚风险评估),4 项基于摘要核查,0 项仅核查了文献信息。 尚未进行由两名独立审查者完成的正式评估,也尚未进行独立的人类专家审核。

最近一次科学审核: 2026年10月26日

评定结论的变更历史
  1. 2026年10月25日 · 第 1 阶段 · 初始评估: 错误 (高)
  2. 2026年10月26日 · 第 4 阶段(系统证据审查) · 在扩展证据后重新审查;评定结论不变: 错误 (高)
    Additional cohort and WHO evidence; verdict unchanged; fair acknowledgement of inverse associations added.
    新来源: I-SRC-113 I-SRC-126

通俗解释

Elawady 医生说,香烟是有益的或无害的,与动脉硬化毫无关系。这是错误的。超大型研究显示,即使每天只吸一支烟,也会大幅增加心脏病和中风的风险。长期吸烟者平均早死约十年。任何年龄戒烟都有帮助,而尽早戒烟可以消除大部分额外风险。

与该说法相关的研究

支持该说法的研究 (0)

该组中没有研究。

与该说法相矛盾或限制该说法的研究 (5)

  • Even one cigarette a day harms the heart

    Hackshaw A et al.. BMJ 2018 · PMID 29367388 · DOI 10.1136/bmj.j5855
    Meta分析独立交叉核查全文,含结构化偏倚风险评估★ 关键研究

    One cigarette a day carries about half the heart-disease risk of 20 a day.

    No safe level of smoking for heart disease and stroke.

    该研究是否支持这一具体说法? 否 · 方法学质量: 中 · 证据确定性:见该说法的总体评估

    原始文献 · 科学细节

    研究通俗解读
    研究人员想了解什么?

    Quantify light-smoking risk

    研究是如何开展的?

    Meta-analysis

    研究了多少人、动物或样本?

    141 cohort studies in 55 reports (millions of participants)

    实际发现了什么?

    Large excess risk even at 1/day

    观察到的效应有多大?

    CHD RR 1.48-2.19 at 1/day

    研究结果对日常生活意味着什么?

    There is no safe amount of smoking for heart and brain blood vessels.

    该研究有哪些局限?

    Observational; one database, English only; no protocol; modelled from summary data

    它对 Elawady 的具体说法说明了什么?

    Contradicts 'cigarettes are beneficial/not harmful'.

    研究结果是否适用于德国和欧洲?

    High

    科学细节 →

  • Smokers die about ten years earlier; quitting gives years back

    Doll R et al.. BMJ 2004 · PMID 15213107 · DOI 10.1136/bmj.38142.554479.AE
    队列研究独立交叉核查已核查摘要★ 关键研究

    Smoking tripled death rates; stopping at 30 avoided almost all the excess risk.

    该研究是否支持这一具体说法? 否 · 方法学质量: 高 · 证据确定性:见该说法的总体评估

    原始文献 · 科学细节

    研究通俗解读
    研究人员想了解什么?

    Measure smoking hazards over 50 years.

    研究是如何开展的?

    Prospective cohort.

    研究了多少人、动物或样本?

    34,439 doctors.

    实际发现了什么?

    Smokers die ~10 years earlier.

    观察到的效应有多大?

    3-fold mortality.

    研究结果对日常生活意味着什么?

    Stopping smoking at any age helps.

    该研究有哪些局限?

    Men only.

    它对 Elawady 的具体说法说明了什么?

    Contradicts smoking dismissal.

    研究结果是否适用于德国和欧洲?

    High.

    从该研究中明确不能得出什么结论?

    Effects of other tobacco products.

    科学细节 →

  • Four in ten cancers in the USA are linked to avoidable risk factors, led by smoking

    Islami F et al.. CA Cancer J Clin 2024 · PMID 38990124 · DOI 10.3322/caac.21858
    风险评估独立交叉核查已核查摘要★ 关键研究

    Smoking accounted for 19% of cancers and 29% of cancer deaths; excess weight and alcohol followed.

    该研究是否支持这一具体说法? 部分支持 · 方法学质量: 中 · 证据确定性:见该说法的总体评估

    原始文献 · 科学细节

    研究通俗解读
    研究人员想了解什么?

    Estimate preventable cancers.

    研究是如何开展的?

    PAF analysis.

    研究了多少人、动物或样本?

    US 2019.

    实际发现了什么?

    40% of cases attributable.

    观察到的效应有多大?

    Smoking 19.3%/28.5%.

    研究结果对日常生活意味着什么?

    Not smoking, healthy weight, less alcohol and a diet with fibre, fruit and vegetables lower risk.

    该研究有哪些局限?

    Model assumptions.

    它对 Elawady 的具体说法说明了什么?

    Diet matters but is not the main cause.

    研究结果是否适用于德国和欧洲?

    Moderate.

    从该研究中明确不能得出什么结论?

    Individual cause.

    科学细节 →

  • Smoking, alcohol and excess weight lead global avoidable cancer deaths

    GBD 2019 Cancer Risk Factors Collaborators. Lancet 2022 · PMID 35988567 · DOI 10.1016/S0140-6736(22)01438-6
    风险评估独立交叉核查全文,含结构化偏倚风险评估

    44% of cancer deaths worldwide in 2019 were attributable to known risk factors, smoking first; diet accounted for about 5-6% of cancer burden.

    该研究是否支持这一具体说法? 部分支持 · 方法学质量: 中 · 证据确定性:见该说法的总体评估

    原始文献 · 科学细节

    研究通俗解读
    研究人员想了解什么?

    Global attributable cancer burden.

    研究是如何开展的?

    GBD modelling.

    研究了多少人、动物或样本?

    204 countries.

    实际发现了什么?

    4.45 million cancer deaths (44.4%) attributable to modelled risks in 2019; tobacco 33.9% of male and 10.7% of female cancer DALYs; dietary risks 5.9% and 5.1%.

    观察到的效应有多大?

    4.45 million deaths.

    研究结果对日常生活意味着什么?

    Avoid tobacco and alcohol, keep healthy weight.

    该研究有哪些局限?

    Model-based estimates; sparse data in many countries; infections and UV not included.

    它对 Elawady 的具体说法说明了什么?

    Diet is one factor among several.

    研究结果是否适用于德国和欧洲?

    High.

    从该研究中明确不能得出什么结论?

    That the remaining 56% of cancer deaths have no external cause (infections and UV were not modelled); individual risk for a given person.

    科学细节 →

  • Smoking costs more than ten years of life

    Jha P et al.. N Engl J Med 2013 · PMID 23343063 · DOI 10.1056/NEJMsa1211128
    队列研究独立交叉核查已核查摘要★ 关键研究

    In over 200,000 US adults, smokers died at about three times the rate of never-smokers; quitting before 40 removed about 90% of the excess risk.

    Smokers have about threefold mortality and lose over 10 years of life.

    该研究是否支持这一具体说法? 否 · 方法学质量: 高 · 证据确定性:见该说法的总体评估

    原始文献 · 科学细节

    研究通俗解读
    研究人员想了解什么?

    Measure smoking harms and quitting benefits

    研究是如何开展的?

    National cohort

    研究了多少人、动物或样本?

    202,248 adults

    实际发现了什么?

    Threefold mortality; >10 years life lost

    观察到的效应有多大?

    HR 3.0 women, 2.8 men

    研究结果对日常生活意味着什么?

    Smoking is deadly; quitting helps

    该研究有哪些局限?

    Self-report

    它对 Elawady 的具体说法说明了什么?

    Contradicts the claim

    研究结果是否适用于德国和欧洲?

    High

    科学细节 →

结果不一或不明确的研究 (1)

  • Diseases that seem less common in smokers

    Yılmaz M et al.. Eur Addict Res 2025 · PMID 41129423 · DOI 10.1159/000549064
    叙述性综述独立交叉核查已核查摘要

    A few conditions such as ulcerative colitis and Parkinson's disease are less common in smokers, but this does not outweigh the harms of smoking.

    A few inverse associations exist but do not outweigh harms.

    该研究是否支持这一具体说法? 部分支持 · 方法学质量: 低 · 证据确定性:见该说法的总体评估

    原始文献 · 科学细节

    研究通俗解读
    研究人员想了解什么?

    Review claimed benefits of smoking

    研究是如何开展的?

    Narrative review

    研究了多少人、动物或样本?

    8 conditions

    实际发现了什么?

    Some inverse associations, often confounded

    观察到的效应有多大?

    not applicable

    研究结果对日常生活意味着什么?

    No reason to smoke

    该研究有哪些局限?

    Narrative

    它对 Elawady 的具体说法说明了什么?

    Only a tiny kernel; claim remains false

    研究结果是否适用于德国和欧洲?

    High

    从该研究中明确不能得出什么结论?

    Causality of inverse associations

    科学细节 →

地区背景

德国 / 欧盟

Smoking is the leading preventable cause of death in Europe (general knowledge).

埃及

Same evidence applies to Egypt; shisha and cigarettes both deliver tobacco smoke (general knowledge).

在我的国家适用什么?

一般科学评估

错误 这一说法是错误的:吸烟在任何程度上都是有害的,会导致心脏病、中风、癌症和过早死亡。

该说法涉及生物学或医学关系。上述科学评估不论在哪个国家都适用;各国食品数据不会改变这一评估。

参考文献

  1. Low cigarette consumption and risk of coronary heart disease and stroke: meta-analysis of 141 cohort studies in 55 study reports.. Hackshaw A et al.. BMJ 2018 · PMID 29367388 · DOI 10.1136/bmj.j5855
  2. Mortality in relation to smoking: 50 years' observations on male British doctors.. Doll R et al.. BMJ 2004 · PMID 15213107 · DOI 10.1136/bmj.38142.554479.AE
  3. Proportion and number of cancer cases and deaths attributable to potentially modifiable risk factors in the United States, 2019.. Islami F et al.. CA Cancer J Clin 2024 · PMID 38990124 · DOI 10.3322/caac.21858
  4. The global burden of cancer attributable to risk factors, 2010-19: a systematic analysis for the Global Burden of Disease Study 2019.. GBD 2019 Cancer Risk Factors Collaborators. Lancet 2022 · PMID 35988567 · DOI 10.1016/S0140-6736(22)01438-6
  5. 21st-century hazards of smoking and benefits of cessation in the United States.. Jha P et al.. N Engl J Med 2013 · PMID 23343063 · DOI 10.1056/NEJMsa1211128
  6. What Is the Real Impact of Smoking on Diseases Alleged to Benefit from It?. Yılmaz M et al.. Eur Addict Res 2025 · PMID 41129423 · DOI 10.1159/000549064

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