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Most asked on the show

The questions that come up night after night, ranked by how many of the transcribed streams they came up in. Each one has my short answer and the paper behind it.

1

Are mRNA vaccines safe?

Vaccines121 streams where it came up

In the 43,548-person Pfizer trial, side effects were short-term and mild to moderate: sore arm, fatigue, headache. Serious adverse events were low and similar in the vaccine and placebo groups.

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Placebo162Vaccine8COVID-19 cases, 7+ days after dose 2

Redrawn from published values.

Polack FP, et al. Safety and Efficacy of the BNT162b2 mRNA Covid-19 Vaccine. N Engl J Med. 2020;383:2603-2615. doi:10.1056/NEJMoa2034577

2

Is climate change real?

Climate110 streams where it came up

Yes. The IPCC's 2021 assessment calls human-caused warming unequivocal.

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"It is unequivocal that human influence has warmed the atmosphere, ocean and land."

IPCC, 2021: Summary for Policymakers. In: Climate Change 2021: The Physical Science Basis. Working Group I contribution to the Sixth Assessment Report. Read the report

3

Did COVID come from a lab?

COVID origins81 streams where it came up

The earliest known cases clustered around the Huanan market, and virus-positive samples tracked with stalls selling live mammals. The authors say the upstream events remain unknown. The debate is live on the show.

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Worobey M, et al. The Huanan Seafood Wholesale Market in Wuhan was the early epicenter of the COVID-19 pandemic. Science. 2022;377:951-959. doi:10.1126/science.abp8715

No figure redrawn for this paper. The key result is in the answer above, the citation links to the source.

4

Do vaccines cause autism?

Vaccines79 streams where it came up

No. 657,461 Danish children, and a meta-analysis of more than 1.2 million more, found no link.

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0.81.01.21.4MMR vs none0.93 (0.85 to 1.02)Autism hazard ratio (95% CI)

Redrawn from published values.

Hviid A, Hansen JV, Frisch M, Melbye M. Measles, Mumps, Rubella Vaccination and Autism: A Nationwide Cohort Study. Ann Intern Med. 2019;170(8):513-520. doi:10.7326/M18-2101

Watch me cite it on stream at 2:02:01

The meta-analysis mentioned in the answer:

0.81.01.21.4All vaccines0.99 (0.92 to 1.06)Thimerosal1.00 (0.77 to 1.31)Mercury1.00 (0.93 to 1.07)Odds ratio, cohort data (95% CI)

Redrawn from published values.

Taylor LE, Swerdfeger AL, Eslick GD. Vaccines are not associated with autism: an evidence-based meta-analysis of case-control and cohort studies. Vaccine. 2014;32(29):3623-9. doi:10.1016/j.vaccine.2014.04.085

5

Is fluoride dangerous?

Germ vs terrain38 streams where it came up

Receipt in review. Dose matters here, so this one needs a careful write-up before it goes on the site.

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Receipt in review
7

Do viruses exist?

Germ vs terrain34 streams where it came up

Yes. SARS-CoV-2 was isolated in human airway cells, sequenced, and imaged in January 2020.

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Zhu N, et al. A Novel Coronavirus from Patients with Pneumonia in China, 2019. N Engl J Med. 2020;382:727-733. doi:10.1056/NEJMoa2001017

No figure redrawn for this paper. The key result is in the answer above, the citation links to the source.

Yes. One E. coli population evolved the ability to use citrate, which its ancestors could not do, after about 31,500 generations.

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0k10k20k30k12 populations founded, 1988Potentiating mutation by ~20kCitrate use evolves ~31.5kGenerations

Redrawn from published values.

Blount ZD, Borland CZ, Lenski RE. Historical contingency and the evolution of a key innovation in an experimental population of Escherichia coli. PNAS. 2008;105(23):7899-906. doi:10.1073/pnas.0803151105

Watch me cite it on stream at 41:42