Episode 48: Alcohol

Episode 48: Alcohol

Author: Tom Chivers and Stuart Ritchie September 3, 2024 Duration: 55:19

Okay, it’s time to finally answer the question: is drinking booze good or bad? Is there really a “J-curve”, such that it’s bad to drink zero alcohol, good to drink a little, and then bad to drink any more than that? What exactly is the “safe level” of alcohol consumption, and why do the meta-analyses on this topic all seem to tell us entirely different things?

In this episode of The Studies Show, Tom and Stuart get very badly intoxicated—with statistics.

We’re sponsored by Works in Progress magazine. There’s no better place online to find essays on the topic of “Progress Studies”—the new field that digs deep into the data on how scientific and technological advances were made in the past, and tries to learn the lessons for the future. Check them out at worksinprogress.co.

Show notes

* Media reports say alcohol is good! Oh no wait, it’s bad. Oh, sorry, it’s actually good! No, wait, actually bad. And so on, ad infinitum

* The three conflicting meta-analyses:

* 2018 in The Lancet (“no safe level”)

* 2022 in The Lancet (the J-curve returns)

* 2023 in JAMA Network Open (using “occasional drinkers” as the comparison)

* Some of the press coverage about the J-curve age differences

* David Spiegelhalter’s piece comparing the two Lancet meta-analyses

* Tom’s piece on the idea of “safe drinking”

Credits

The Studies Show is produced by Julian Mayers at Yada Yada Productions. We’re very grateful to Sir David Spiegelhalter for talking to us about this episode (as ever, any errors are ours alone).



This is a public episode. If you'd like to discuss this with other subscribers or get access to bonus episodes, visit sciencefictionspod.substack.com/subscribe

Every week, Tom Chivers and Stuart Ritchie pull apart the biggest arguments and most confusing claims making headlines. Science Fictions isn't just about celebrating breakthroughs; it's a necessary dive into the messy, contested, and often surprising realities of how science actually works. You'll hear them unpack heated debates, examine questionable studies, and explore why even solid research can sometimes lead to public confusion. This podcast serves as a guide through the noise, separating compelling evidence from overblown narratives. Each episode feels like a conversation with two deeply informed friends who aren't afraid to ask tough questions, offering clarity on topics that matter. For anyone curious about the stories behind the science headlines, this is an essential listen. Tune in for thoughtful analysis that goes beyond the press release, grounded in a genuine fascination with how we know what we know.
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