Should You Eat Like A Caveman? Plus — 10 Years of Science Vs!

Episode Summary

Executive Summary: Science Versus celebrates 10 years by featuring listener voicemails, revisiting its biggest episodes, and reflecting on how the show has helped people make sense of science and misinformation. It highlights landmark segments on the orgasm gap, vaccines and autism, ivermectin, and the paleo diet, emphasizing the show’s role in separating evidence from hype while entertaining and informing listeners.

Main Topics: 10th anniversary listener reflections (Priority: 5/5): The episode opens with listener messages from around the world describing how Science Versus changed their thinking, habits, and health decisions, from toothbrushing and microplastics to cannabis, fiber, journaling, and autism syndrome awareness. Orgasm gap research and queer/trans survey (Priority: 5/5): Wendy revisits the 2020 orgasm gap episode, explaining that the show conducted its own research by surveying more than 5,000 listeners, collaborating with sex researchers, and later publishing the work in a peer-reviewed journal. Vaccines and autism misinformation (Priority: 5/5): The episode replays the story of Andrew Wakefield’s small 1990s MMR study and contrasts it with the much larger body of later research showing no link between MMR vaccination and autism, underscoring how misinformation persists. Ivermectin and COVID hype (Priority: 5/5): Wendy discusses how ivermectin gained traction as a COVID treatment through flawed or possibly fraudulent early studies and public advocacy, but later larger trials showed it was not a blockbuster treatment and did not clearly work. Return to the paleo diet pilot episode (Priority: 4/5): The show revisits its first-ever episode, examining whether the paleo diet is actually historical or healthy, and arguing that it is neither truly paleolithic nor clearly superior to a balanced modern diet. Science communication and misinformation in the social media era (Priority: 4/5): The episode reflects on how podcasts and social media have amplified both science and scientific-looking misinformation, making the show’s fact-checking mission more important over time. Celebration of the show’s legacy and team (Priority: 3/5): The episode ends with gratitude to the ABC, listeners, and the production team, plus a playful shark musical callback, emphasizing the community built over 10 years.

Key Arguments: Listener feedback shows the show has had real-world impact, changing behaviors and helping people interpret science-based claims. The orgasm gap episode was notable because Science Versus did original research, surveying over 5,000 listeners and publishing results in a peer-reviewed journal. The vaccines-and-autism claim persists despite overwhelming evidence from large studies showing no connection between MMR vaccination and autism. Andrew Wakefield’s original MMR paper was small, misleading, and later retracted for scientific and ethical flaws. Ivermectin was widely promoted for COVID on the basis of early weak studies and advocacy, but higher-quality later trials did not show it to be an effective treatment. The paleo diet is not actually a literal prehistoric diet; modern foods and modern supply chains make it unlike anything Paleolithic humans ate. Some paleo claims rely on misleading science language, such as “anti-nutrients,” while the diet’s exclusion of whole grains and emphasis on meat may worsen health outcomes. The show frames its role as helping audiences distinguish trustworthy science from misinformation, especially as bad information spreads faster online.

Data Points: Years on air: 10 years - Science Versus anniversary being celebrated in the episode Approximate total episodes: Around 250 episodes - Wendy describes the show’s output since 2015 Orgasm gap survey responses: More than 5,000 listeners - Audience survey used in the show’s original orgasm gap research Orgasm gap episode year: 2020 - The episode was first released when the show was five years old MMR study sample size: 12 kids - Andrew Wakefield’s original study on vaccine and autism Follow-up autism study sample size: Almost 500 kids - One of the first large follow-up studies in the UK Later autism evidence base: Well over a million children - Multiple later studies across countries found no link between MMR and autism Paleo diet pilot episode date: May 28, 2015 - First episode of Science Versus, originally published with the ABC Paleo period start: 2.5 million years ago - Description of the Paleolithic period Paleo period end: 10,000 years ago - End of the Paleolithic period before agriculture Recommended red meat maximum: 65 grams per day - Australian health guidelines cited in discussion of meat intake Recommended fish alternative: 100 grams per day - Australian health guidelines cited as an alternative to red meat Reported publication venue for orgasm gap paper: Psychology and Sexuality - The episode notes the research was published in a peer-reviewed journal

Pivotal Quotes: "Science Versus, it's celebrating its 10th birthday this year." — Wendy Zuckerman: Opening announcement of the anniversary episode "The studies are overwhelming." — Wendy Zuckerman: Her rebuttal to ivermectin claims after discussing high-quality COVID evidence "The paleo diet just seemed to me to be very counter our primate heritage, very counter our digestive physiology, and unlikely to provide us with much other than the fact that staying away from processed materials is probably a very good idea." — Catherine Milton: Expert critique of the paleo diet’s evolutionary and nutritional logic

Implications: Listeners are encouraged to trust high-quality evidence over viral claims, especially on vaccines, COVID treatments, and diets. The episode reinforces the need for science media that can test hype, expose misinformation, and translate research into practical guidance.