Tweet

Daniel Corcos

18 Nov, 13 tweets, 3 min read

Is radiology the main cause of cancer?
(THREAD)
1/

We have shown that mammography screening has been followed by a large increase in breast cancer incidence. (Corcos & Bleyer, NEJM, 2020).
2/

From this, I conclude that mammography causes cancer. The knee-jerk reaction that « correlation is not causation » can be easily disproved:
3/

I.The correlation between cancer incidence and mammography screening is perfect, occurs every time and everywhere.
See for instance here: jamanetwork.com/journals/jamai…

4/

II. After the transient increase related to lead time, a persistent increase in cancer incidence is observed, occurring after 6 years.
biorxiv.org/content/10.110…
Breast cancers occur after the mammograms (Corcos & Bleyer, NEJM, 2020).
5/

III. A very strong increase can occur within 10 years (no role of confounders).
6/

IV. X-rays cause DNA breaks, and mutations cause cancers (any cancer biology textbook).
7/

V. Claims that medical x-rays are safe are lies based on no data.

8/

Is there something specific about mammograms that explains the number of cancers caused?
9/

No. 75% of breast cancers might be caused by radiation from various medical procedures.
ratical.org/radiation/CNR/…
10/

Is this specific for breast cancer ? Apparently not.
ratical.org/radiation/CNR/…
And age-adjusted cancer incidence is correlated to the human development index, which is correlated to availability of healthcare.
11/

There is good reason to check Gofman’s claim.
There are numerous reasons not to do it : money, power, liability. The forces that must be faced are gigantic.
We cannot stop there.
12/12

@threadreaderapp

@threadreaderapp please UNROLL

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More from @daniel_corcos

Daniel Corcos

@daniel_corcos

21 Nov

@Lanceursalertes

La radiologie est-elle la principale cause de cancer dans les pays développés ?
THREAD #ALERTE
@Lanceursalertes @mlalerte
1/

Nous avons montré que le dépistage par mammographie a été suivi d'une forte augmentation de l'incidence du cancer du sein. (Corcos & Bleyer, NEJM, 2020).
2/

De cela, on peut conclure que la mammographie provoque le cancer. La réaction primaire selon laquelle «corrélation n'est pas causalité» peut être facilement réfutée :
3/

Read 15 tweets

Daniel Corcos

@daniel_corcos

20 Nov

@BricePerrier

La radiologie est-elle la principale cause de cancer dans les pays développés ?
@BricePerrier @sfoucart

THREAD

1/

Nous avons montré que le dépistage par mammographie a été suivi d'une forte augmentation de l'incidence du cancer du sein. (Corcos & Bleyer, NEJM, 2020).
2/

De cela, on peut conclure que la mammographie provoque le cancer. La réaction primaire selon laquelle «corrélation n'est pas causalité» peut être facilement réfutée :
3/

Read 15 tweets

Daniel Corcos

@daniel_corcos

27 Oct

@HealthWatchUK

The role of mammography in causing cancer is not a scientific issue: it is a major issue on the functioning of scientific institutions.
@HealthWatchUK @ICIJorg @thackerpd @TranspariMED @mattwridley @ASTRO_org @ianbirrell @NaomiOreskes @deb_cohen @fastlerner @KatherineEban
1/n

There is large evidence showing that ionizing radiation creates DNA damage, the main mechanism of cancer. X-rays used in radiology are ionizing radiation.
2/n

Last year, Archie Bleyer and I published in the New England Journal of Medicine epidemiological evidence showing that a large increase in breast cancer incidence occurred following mammography screening (Corcos & Bleyer, NEJM, 2020).
3/n

Read 15 tweets

Daniel Corcos

@daniel_corcos

22 Oct

#Fauci
Remember the HIV vaccine?
reuters.com/article/uk-aid…
The trial was criticised five years ago by 22 prominent U.S. scientists who doubted it would have any effect. Washington was accused of wasting more than a $100 million (63 million pounds) by funding it.
1/

“It was a tough decision. I am glad we made it,” said Dr. Anthony Fauci, director of the U.S. National Institute of Allergy and Infectious Diseases, who defied the criticism and continued the trial.
2/

Anthony Fauci, also a backer of the test, said of the results: "I don't want to use a word like 'breakthrough,' but I don't think there's any doubt that this is a very important result,"
npr.org/sections/healt…
3/

Read 6 tweets

Daniel Corcos

@daniel_corcos

21 Oct

@NaomiOreskes

The origin of Covid-19 is no longer a scientific issue: it is a major issue on the functioning of scientific institutions.
(corrected version)
@NaomiOreskes @thackerpd @mattwridley
#COVID19 #lableak
1/n

The Covid-19 epidemic that has claimed millions of lives began in the city of Wuhan, a modern city in China with an institute (the WIV) where bat coronaviruses were studied and housed.
2/n

The most basic way to determine if the SARS-CoV-2 that claimed so many victims came from the WIV would have been to find out what work was being done there by obtaining funding requests and lab notebooks.`
3/n

Read 22 tweets

Daniel Corcos

@daniel_corcos

20 Oct

@TranspariMED

#BlackLivesMatter
@TranspariMED
THREAD
Starting biennial screening mammography at age 40 could cut cancer deaths in Black women by 57%, according to a model study of 100 million women published October 18 in the @AnnalsofIM
auntminnie.com/index.aspx?sec…
See the problems?
1/n

1. This is a model without any observational data.
2. This is ridiculous: there is less than 20 million black women in the USA.
3. According to all long term observational studies, we hardly see any benefit of mammography screening on cancer deaths in women over 50 ...
2/n

, for whom screening should be more effective.
4. Most countries do not recommend screening before 50.
5. The authors do not take into account the fact that mammography screening has actually caused a breast cancer epidemic (Corcos & Bleyer, NEJM)

3/n

Read 5 tweets

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