Excellent analysis:

Science Doesn’t Support Idea That Marijuana Aids Athletes’ Performance nytimes.com/2021/07/09/spo…
In addition to the ample evidence of dodgy science in anti-doping, this quote from @wada_ama spokesman @JamesFitz501 is key: “the U.S. has been consistent in its strongly held position that WADA should keep cannabis on the List”
The US government took credit for getting marijuana on the (then) IOC prohibited list as a matter of national anti-drug policy despite greater concern of athletes and officials on actual performance-enhancing drugs

ojp.gov/pdffiles1/Digi… Image
The use of (what would become) WADA by the Clinton Administration as an element of domestic drug policy is further documented in this Oct, 1999 Senate Hearing
govinfo.gov/content/pkg/CH… Image
In Oct 2000, President Bill Clinton issued an Executive Order establishing a White House Task Force on Drug Use in Sports: presidency.ucsb.edu/documents/exec…

And here is the accompanying press conference: presidency.ucsb.edu/documents/pres…
And here are the minutes of the first meeting of the WH Task Force ojp.gov/pdffiles1/ondc… Image
All of this history clearly indicates that the U.S. saw WADA as an instrument to pursue domestic drug policies, using athletes as "role models" and thus the US required that drugs at the focus of policy (performance enhancing or not) be regulated in sport
ojp.gov/pdffiles1/Digi… Image
WADA however requires a substance/method on its prohibited list meet 2/3 criteria:

performance enhancing
unsafe
violates "spirit of sport"

There is no category of "in support of US drug policies"

So evidence had to be created to support marijuana inclusion on prohibited list
So in 2011 this paper was published
ncbi.nlm.nih.gov/pmc/articles/P…

It was co-authored by 2 WADA scientists and 1 scientist who the US government appointed to the committee that creates the WADA prohibited list!

This is "policy-based evidence"

and a major, major COI Image
Here (via @NYT) is an example of WADA/USG playing a bit loose with the evidence reported in that 2011 paper: Image
And another example Image
And despite there being more recent research (2020) conducted by independent researchers @wada_ama spokesperson @JamesFitz501:
"Mr. Fitzgerald said that the WADA authors “stand by” the 2011 scientific analysis, published in the journal Sports Medicine"
ncbi.nlm.nih.gov/pmc/articles/P… Image
This is course not the first instance of a sports organization using dodgy science produced by in-house researchers/advisors to produce evidence for a preferred policy: link.springer.com/article/10.100…
Nor is it the first instance of dodgy science being deployed in anti-doping regulation
tandfonline.com/doi/abs/10.108… Image
But it does show the length to which @wada_ama has been (and apparently still is) willing to go to appease US gov't by apparently violating its own procedures supported by flawed science -- this just makes WADA look like a political tool
I'd guess that there is a lot of shake-my-damn-head going on within WADA now that the US gov't has apparently reversed course on the inclusion of marijuana on the prohibited list
ft.com/content/57a868…
If WADA reconsiders cannabis on the prohibted list no one will look good -- the USG, WADA, USADA or the advisors who are apparently doing the bidding of the decision makers that they are ostensibly advising

Bottom line:
What a mess!

/END
A few more details, adding to this thread

2008 GW Bush WH ONDCP bragging to Congress about successful opposition to calls for removal of marijuana from WADA prohibited list:
govinfo.gov/content/pkg/CR… Image
"There was no testing for marijuana at any Olympic Games before 1988."
doi.org/10.1016/j.peh.… Image

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More from @RogerPielkeJr

10 Jul
This is 🔥🔥🔥 Image
In contrast, this probably over the top ... collectively bargained contracts of pro leagues are not going to let WADA in the door ... ever Image
Read 4 tweets
3 Jul
The incredible NW heat dome has led to some interesting contradictory claims

From within the story:

Expert 1= “These extremes are something we knew were coming,”

Expert 2= “It’s well beyond what climate models suggest”

🤷‍♂️ washingtonpost.com/climate-enviro…
Obviously, if models can’t produce the heat dome then event attribution is not possible

Of course, event attribution studies have a high bar to clear: forbes.com/sites/rogerpie…
I came across this (by Sarah Miller HT @dwallacewells) which I think well summarizes challenges to discussing extremes

“I realize I could cite some data to support this but I’m not going to look anything up because I don’t want to know the truth. I’m comfortable with “It’s bad””
Read 4 tweets
2 Jul
Kennedy, M. C. (2017). Cannabis: Exercise performance and sport. A systematic review. Journal of science and medicine in sport, 20(9), 825-829.

“Conclusions:THC does not enhance aerobic exercise or strength”

jsams.org/article/S1440-…
The inclusion of THC on the WADA prohibited list is part of a moral crusade, WADA freely admits

Included on list not because they are doping per se but, “because they are frequently abused in society outside the context of sport”

wada-ama.org/sites/default/…
The WADA committee recommending THC inclusion on prohibited list for reasons of morality includes people who also played a role in banning Caster Semenya — another moral crusade

Mostly white men from US/UK/Australia, elite sport vests too much power in a small subset of people
Read 4 tweets
1 Jul
🚨New Paper coming ... @ISSUESinST
by @jritch & me

How Climate Scenarios Lost Touch With Reality
A failure of self-correction in science has compromised climate science’s ability to provide plausible views of our collective future

I'll post as soon as out of production ...
Our new paper is a tl;dr summary for a broad readership of our recent 21,000-word piece in ERSS on how climate scenarios got off track
doi.org/10.1016/j.erss…

If you are not one of the 7 people who read that magnum opus, then our new paper is for you
When published, I'll also post an accompanying bibliography of our work over the past 20 years on the use/misuse of predictions and projections in climate research and policy

Stay tuned! 🙏
Read 4 tweets
30 Jun
This hearing today reflects a wild mix of deeply flawed science

RCP8.5 & Billion-dollar disasters

Addressing Climate as a Systemic Risk: The Need to Build Resilience within Our Banking and Financial System | Financial Services Committee financialservices.house.gov/calendar/event…
The hearing is on legislation that would, among other things, create a powerful new technical committee composed of 5 climate scientists and 5 economists that would create scenarios with huge impact on US finance policies -- this is all sorts of problematic
The legislation also mandates the content of the scenarios: 2 policy scenarios, one NDC and one a conventional BAU
Read 11 tweets
29 Jun
Wow
I didn't realize the magnitudes here

Much faster scientific progress results when safety standards are less strict according to Baric

This is why biolab safety regulations cannot be left to the research community alone

technologyreview.com/2021/06/29/102…
So not all pseudoviruses apparently
@zeynep
Remarkable statements
1. Under China biosafety regulations apparently novel viruses assumed to be relatively safe (BSL-2) until proven risky
2. US funded research follows laws of host country and not US biosafety regulations ... would seem to create poor incentives for scientists
Read 4 tweets

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