Autism rates are rising all over the world, and lots of people are wondering: why? In the U.S., HHS Secretary Robert F. Kennedy Jr. has said the cause is an "environmental toxin" and has vowed to get to the bottom of it. But we already have lots of science on this — so what does that research tell us? We talk with epidemiologist Professor Brian Lee, Associate Professor Karen Heffler, clinical psychologist Professor Catherine Lord, epidemiologist Professor Maureen Durkin, and Senior Science Researcher Dena Gassner. We want to hear your ideas for new episodes of Science Vs! Tell us via: Instagram at science_vs Bluesky at sciencevs X at @sciencevs Email at sciencevsteam@gmail.com Voicemail at +1(774) 481-1238‬ Find our transcript here: https://bit.ly/ScienceVsAutism In this episode, we cover: (00:00) Rates of autism are going up (03:33) The hunt for the cause of the ‘autism epidemic’ (13:43) Could screen time be causing autism? (20:10) The changing definition of autism (27:48) Could this explain the rise in autism? This episode was produced by Meryl Horn, with help from Wendy Zukerman, Ekedi Fausther-Keeys, Michelle Dang, and Rose Rimler. We’re edited by Blythe Terrell. Fact checking, research assistance, and consulting by Erica Akiko Howard. Mix and sound design by Bobby Lord. Music written by Emma Munger, So Wylie, Peter Leonard, Bumi Hidaka and Bobby Lord. A special thanks to the researchers we reached out to, including Professor Karen Pierce, Professor David Mandell, Professor Deborah Bilder, Professor Frédérique Bonnet-Brilhault, Dr. Helen Tager-Flusburg, Dr. Isabella de la Lara, Katherine Byrne, Professor Sven Bölte, and Dr. Whitney Worsham. Special thanks also to Lynn Keeys and Mbella Beseka, Chris Suter, Elise and Dylan, Jack Weinstein and Hunter, and Joseph Lavelle Wilson and the Zukerman Family. Science Vs is a Spotify Studios Original. Listen for free on Spotify or wherever you get your podcasts. Follow us and tap the bell for episode notifications. Learn more about your ad choices. Visit podcastchoices.com/adchoices

A lot of influencers are going on all-meat diets, saying that all this meat is clearing up inflammation, healing their guts, and sharpening their focus. But others say, hold up — this diet is sure to lead to heart disease, cancer, and even scurvy. So we’re asking: Is it possible to live on meat alone? Is there any benefit to the carnivore diet? And what are the risks? We talk to nutritionist Prof. Caryn Zinn and internist Dr. Adrian Soto-Mota. Find our transcript here: https://bit.ly/ScienceVsCarnivore In this episode, we cover: (00:00) Carnivores Bring the Meat (04:28) They’re Gonna Get Scurvy, Right? (13:09) Fiber? Cholesterol? Heart Disease? Cancer? (20:11) A Miracle Diet? (22:31) Are Plants the Enemy? (25:57) Is it Just Keto? (27:50) Weight Loss (28:50) Should You Go Carnivore? This episode was produced by Rose Rimler, with help from Wendy Zukerman, Ekedi Fausther-Keeys, Michelle Dang, and Meryl Horn. We’re edited by Blythe Terrell. Fact checking by Erica Akiko Howard. Mix and sound design by Bobby Lord. Music written by Emma Munger, So Wylie, Peter Leonard, Bumi Hidaka and Bobby Lord. A special thanks to the researchers we reached out to including Dr. Lawrence David, Dr. Andrija Karačić and others. Science Vs is a Spotify Studios Original. Listen for free on Spotify or wherever you get your podcasts. Follow us and tap the bell for episode notifications. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Fitness buffs online can’t stop raving about creatine. They say it is THE supplement to get you shredded in no time — and that it can even boost your brain and memory too. Are they right? We dive into the science of creatine and talk to anatomy Professor Darryn Willoughby, physicist Dr. Ali Gordji-Nejad, and psychology researcher Julia Fabienne Sandkühler. Find our transcript here: https://bit.ly/ScienceVsCreatine In this episode, we cover: (00:00) The hype around creatine (02:40) How creatine builds muscle (08:41) Are the gains all muscle? (17:23) Does creatine help with sleep deprivation? (22:10) Does creatine boost cognition? (27:05) Is creatine safe? This episode was produced by Michelle Dang, with help from Wendy Zukerman, Meryl Horn, Rose Rimler, and Ekedi Fausther-Keeys. We’re edited by Blythe Terrell. Fact checking by Marlowe Starling. Mix and sound design by Bobby Lord. Music written by Emma Munger, So Wylie, Peter Leonard, Bumi Hidaka and Bobby Lord. A special thanks to the researchers we reached out to, including Dr. Imtiaz Desai and Prof. Phil Chilibeck. Thanks to Larry Lee and Lee Physical Therapy & Wellness. Science Vs is a Spotify Studios Original. Listen for free on Spotify or wherever you get your podcasts. Follow us and tap the bell for episode notifications. Learn more about your ad choices. Visit podcastchoices.com/adchoices

This year there was huge news when scientists at the company called Collosal brought back the dire wolf! Some say these cute, white pups are not really dire wolves, but that didn't stop a huge media buzz. One of the wolves even made the cover of TIME Magazine … with the line "He's a dire wolf. The first to exist in 10,000 years. Endangered species could be changed forever." So, what exactly is going on here? Who is this company? And, is this a good idea or could it have dire consequences?? This story comes to us from our friends at Vox's Today, Explained. Transcript: https://bit.ly/ScienceVsTodayExplainedDireWolves In this episode, we cover: (00:00) Meet the pups (02:06) Did we really bring back the dire wolf? (14:34) Should we be doing this? This episode was produced by Devan Schwartz, edited by Jolie Myers, fact-checked by Laura Bullard, engineered by Andrea Kristinsdottir and Patrick Boyd, and hosted by Sean Rameswaram. Follow Science Vs on Spotify, and if you wanna receive notifications every time we put out a new episode, tap the bell icon! Learn more about your ad choices. Visit podcastchoices.com/adchoices

Strange things have been happening to science in the US. An executive order is freezing research, a website with once scientific information now looks kinda like it's advertising a reality show … even milkshakes have been caught in the fray. Milkshakes! On top of this, research projects studying everything from vaccine hesitancy to Covid-19 to climate change have been cut. The Trump administration says that a big reason for the cuts is to stop government waste and boost the economy. Today on the show: What is going on with science in the US right now, and will these cuts ultimately help the economy? To find out, we talk to Nature reporter Max Kozlov, virologist Dr. Seema Lakdawala and economist Professor Andrew Fieldhouse. Find our transcript here: https://bit.ly/ScienceVsWarKeepsRaging In this episode, we cover: (00:00) A Science Milkshake Up (08:04) Research on the Chopping Block (12:15) How the NIH Justifies Cuts (15:11) 25 million lives on the line (16:48) When Nerds Fight Back (24:46) ‘Dangerous’ Gain-of-Function Research Frozen (27:27 ) Does Science Boost the Economy? (36:05) Losing a Science Superpower? This episode was produced by Wendy Zukerman, with help from Meryl Horn, Rose Rimler, Michelle Dang and Ekedi Fausther-Keeys. We’re edited by Blythe Terrell. Fact Checking by Sam Lemonick. Mix and sound design by Bobby Lord. Music written by Emma Munger, Bumi Hidaka, Peter Leonard, So Wiley and Bobby Lord. Thanks to Maya Golden-Krasner, Deputy Director at the Climate Law Institute at the Center for Biological Diversity – who you heard at the beginning of the show, saying this is just a daily stream of nightmare news, and also thank you Dr Shaye Wolf. Special thanks to Lindsey Cherner and Whitney Potter. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Bird flu has been in the headlines for ages, with scientists warning that we could be headed for a pandemic. But we’ve been hearing about this H5N1 virus for so long that it’s kind of starting to feel like the boy who cried wolf. So — what’s really going on with H5N1 bird flu? How scary is it, and how likely is it that we’re going to end up in a bird flu pandemic? We talk to virologists Dr. Seema Lakdawala and Dr. Richard Webby. Find our transcript here: https://bit.ly/ScienceVsBirdFlu (00:00) Tons of people are freaked out about H5N1 bird flu (03:38) Why H5N1 bird flu is scary (05:01) Birds are falling out of the sky dead (07:32) Things get weird when bird flu gets into mammals (18:34) What happens when humans start getting this bird flu (23:26) Is bird flu mutating? (29:11) Should I worry about bird flu? (30:50) Do we have anything to fight bird flu? (32:14) We have had some silent cases of bird flu already This episode was produced by Blythe Terrell, with help from Wendy Zukerman, Michelle Dang, Rose Rimler, Meryl Horn and Ekedi Fausther-Keeys. We’re edited by Blythe Terrell with help from Wendy Zukerman. Mix and sound design by Bobby Lord and Sam Bair. Fact checking by Erica Akiko Howard. Music written by Bumi Hidaka, Peter Leonard, Emma Munger, So Wylie, and Bobby Lord. Thanks so much to all the researchers we spoke to for this episode, including Dr. Louise Moncla, Dr. Ted Elsasser, Dr. John Korslund, Victoria Rosado and Lindsey Adams. Thanks to Jeff DelViscio. Science Vs is a Spotify Studios Original. Listen for free on Spotify or wherever you get your podcasts. Follow us and tap the bell for episode notifications. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Headlines are screaming that we have tons of microplastics in our brains — the equivalent of an entire plastic spoon. OK, that sounds terrifying, but is it true? We talk to chemist Prof. Oliver Jones. Find our transcript here: https://bit.ly/PlasticSpoonBrain In this episode, we cover: (00:00) A plastic spoon’s worth of microplastics?! (05:21) Something dodgy here? (17:39) So how much plastic is in our bodies, really? This episode was produced by Rose Rimler, with help from Wendy Zukerman, along with Ekedi Fausther-Keeys, Meryl Horn, and Michelle Dang. We’re edited by Blythe Terrell. Mix and sound design by Bobby Lord. Fact checking by San Lemonick. Music written by Peter Leonard, Emma Munger, So Wylie, Bumi Hidaka, and Bobby Lord. Thanks to all the researchers we spoke to for this episode, including Dr. Roger Kuhlman, Prof. Martin Wagner, Dr. Elke Fischer, Dr. Marie-France Dignac, and Rachel Kozloski. Science Vs is a Spotify Studios Original. Listen for free on Spotify or wherever you get your podcasts. Follow us and tap the bell for episode notifications. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Measles is spreading in the U.S., with hundreds of cases across more than 20 states. And tons of people online are arguing over how we should feel about it. Some say this is bad because measles is SO contagious — and not enough people get the vaccine. But others say that measles isn't such a big deal, so why are we freaking out?? Didn't basically everyone get this virus back in the day and live to tell the tale? So we’ll find out — what is measles doing to our body (and our brain)? And how can we stop this outbreak ... and possibly rid the world of measles. We hear from New Scientist reporter Grace Wade, Prof. Peter Kasson, Dr. Meru Sheel and Dr. Katherine Gibney. Find our transcript here: https://bit.ly/ScienceVsMeasles In this episode, we cover: (00:00) Measles cases are popping off in the U.S. (04:04) How measles messes with our immune system (10:13) How measles can kill (14:54) How contagious is measles - really? (18:46) How good is the measles vaccine? (25:11) What are the risks of the measles vaccine? (28:34) What it will take to stop this measles outbreak This episode was produced by Wendy Zukerman, with help from Michelle Dang, Meryl Horn, Rose Rimler, and Ekedi Fausther-Keeys. We’re edited by Blythe Terrell. Fact checking by Eva Dasher. Mix and sound design by Bobby Lord. Music written by Emma Munger, So Wiley, Peter Leonard, Bumi Hidaka and Bobby Lord. A special thanks to the researchers we reached out to including Professor Rik de Swart, and a big thanks to Joseph Lavelle Wilson and the Zukerman family. Science Vs is a Spotify Studios Original. Listen for free on Spotify or wherever you get your podcasts. Follow us and tap the bell for episode notifications. Learn more about your ad choices. Visit podcastchoices.com/adchoices

A popular podcast called The Telepathy Tapes claims that telepathy is real — and tons of people are convinced. So we open our minds to the possibility of mind-reading and ask: Could this be real?? And if not — what might be going on here? We dive into the science (yes — there is science!) with Dr. Katharine Beals, Prof. Jim Todd, and Prof. Chris French. Find our transcript here: https://bit.ly/ScienceVsTelepathy In this episode, we cover: (00:00) Extraordinary Claims of Telepathy (08:28) What Could Be Going On Here? (32:27) 50 Years of Science on Telepathy?! This episode was produced by Rose Rimler, with help from Wendy Zukerman, along with Ekedi Fausther-Keeys, Meryl Horn, and Michelle Dang. We’re edited by Blythe Terrell. Mix and sound design by Bobby Lord. Fact checking by Erica Akiko Howard. Music written by Peter Leonard, Emma Munger, So Wylie, Bumi Hidaka, and Bobby Lord. Thanks to all the researchers we spoke to for this episode, including Dr. Zoltan Kekecs, Prof. Stefan Schmidt, and Janyce Boynton. Special thanks to Enrique Perez. Science Vs is a Spotify Studios Original. Listen for free on Spotify or wherever you get your podcasts. Learn more about your ad choices. Visit podcastchoices.com/adchoices

The battle over whether we should be putting fluoride in our water has reached fever pitch. We’ve got U.S. Health Secretary Robert F. Kennedy Jr. and anti-fluoride activists saying it’s a neurotoxin that’s lowering our IQs. But supporters say that fluoride is a safe and effective way to protect our teeth from cavities, and that stopping water fluoridation would lead to a spike in tooth decay. To find out who’s right, we talk to epidemiologist Dr. Ashley Malin and community health scientist Professor Lindsay McLaren. Find our transcript here: https://bit.ly/ScienceVsFluoride In this episode, we cover: (00:00) Chapter 1: Why did we start water fluoridation? (07:00) Chapter 2: What can fluoride do at really high levels? (11:18) Chapter 3: Can low doses of fluoride affect the brain? (20:41) Chapter 4: Anything else to worry about? (24:53) Chapter 5: Does fluoride in the water protect our teeth? This episode was produced by Meryl Horn, with help from Wendy Zukerman, Rose Rimler, Michelle Dang, and Ekedi Fausther-Keeys. We’re edited by Blythe Terrell. Mix and sound design by Bobby Lord. Fact checking by Erica Akiko Howard. Music written by Bumi Hidaka, Peter Leonard, Emma Munger, So Wylie, and Bobby Lord. Thanks to all the researchers we spoke to for this episode, including Professor Christine Till, Professor Jonathan Broadbent, Dr. John Morris, Professor Bruce Lanphear, Professor Loc Do, Dr. Maria Kipper, Professor Philippe Hujoel, Professor Stephen Peckham, Dr. Tommaso Filippini, and Professor Steven Levy. Science Vs is a Spotify Studios Original. Listen for free on Spotify or wherever you get your podcasts. Follow us and tap the bell for episode notifications. Learn more about your ad choices. Visit podcastchoices.com/adchoices

ADHD is all over the internet, with people saying that it’s way different than we thought it was — and that tons of us might have it without even knowing it. Influencers are telling us that ADHD can cause all sorts of things, like hyperfocused states, serious emotional dysregulation, even something called rejection sensitivity dysphoria. So — is all this true? Plus, when you do have ADHD — what’s going on inside your brain? And what are the best ways to cope with it? We talk to Prof. Maggie Sibley, Prof. Philip Shaw, and Dr. J. Russell Ramsay. This episode does mention depression. Here are some crisis hotlines: United States: US National Suicide Prevention Lifeline Dial 988 (Online chat available); US Crisis Text Line Text “HOME” to 741741 Australia: Lifeline 13 11 14 (Online chat available) Canada: Canadian Association for Suicide Prevention (See link for phone numbers listed by province) United Kingdom: Samaritans 116 123 (UK and ROI) Full list of international hotlines here Find our transcript here: https://bit.ly/ScienceVsADHD Chapters: In this episode, we cover: (00:00) Is ADHD everywhere?? (02:45) How do you really know if you have ADHD? (09:05) Is hyperfocus legit? (12:50) What’s up with ADHD and emotional issues? (18:05) ADHD in women and people who menstruate (20:07) So do is ADHD really everywhere? (21:34) ADHD in the brain (26:21) Meds, Therapy, Body Doubling?! This episode was produced by Rose Rimler, with help from Wendy Zukerman, along with Meryl Horn, Michelle Dang, and Ekedi Fausther-Keeys. We’re edited by Blythe Terrell. Mix and sound design by Bobby Lord. Fact checking by Erica Akiko Howard and Marlowe Starling. Music written by Peter Leonard, Emma Munger, So Wylie, Bumi Hidaka, and Bobby Lord.Thanks to all the researchers we spoke to for this episode, including Dr. Robert Rosenthal, Dr. Miguel Garcia Pimenta, Prof. Michelle Martel, Dr. Maedbhe King, Dr. Edward Modestino, Prof. Edmund Sonuga-Barke, and Dr. Ashley Halkett. Again, big special thanks to all the listeners who called in and told us about their ADHD experiences! Science Vs is a Spotify Studios Original. Listen for free on Spotify or wherever you get your podcasts. Follow us and tap the bell for episode notifications. Learn more about your ad choices. Visit podcastchoices.com/adchoices

Have you been missing your weekly dose of science?? Well, we've got good news: Science Vs is BACK next week, and we’ll be tackling ADHD, squirting, creatine, the carnivore diet, bird flu, fluoride, meth, memory and much more. New episodes start March 27. Fact ya soon! Learn more about your ad choices. Visit podcastchoices.com/adchoices

U.S. science is in turmoil. Amid agency firings and confusion over federal funding, researchers are freaking out. Many can’t do their work, and they have no idea what the future holds. Plus, we’re hearing that all of this could jeopardize medical treatments for people in the U.S. and all over the world. So, what exactly is going on? And how bad is it? We speak with Nature reporter Max Kozlov and Science magazine reporter Jocelyn Kaiser. Find our transcript here: bit.ly/ScienceVsWarOnScience In this episode, we cover: (00:00) Scientists are freaked out (02:40) The chaos on government science websites (11:28) Firings and research funding freezes (18:09) Flagging words like women, Black and Latinx in grants (22:20) USAID cuts and vaccine concerns (27:04) What could be the motivation for all this? This episode was produced by Wendy Zukerman, with help from Meryl Horn, Rose Rimler, Michelle Dang and Ekedi Fausther-Keeys. We’re edited by Blythe Terrell. Mix and sound design by Bobby Lord. Music written by Emma Munger, Peter Leonard and Bobby Lord. Thanks to Lauren Silverman and Nimra Azmi. And thanks so much to all the scientists who shared their stories with us. We appreciate you. Science Vs is a Spotify Studios Original. Listen for free on Spotify or wherever you get your podcasts. Follow us and tap the bell for episode notifications. Learn more about your ad choices. Visit podcastchoices.com/adchoices

The internet tells us that narcissists are everywhere — and that the problem is only getting worse. It’s like narcissism is oozing out of our celebrities, politicians, partners, parents, maybe even ourselves?? So today, we’re taking a long look in the mirror to find out: are we all a bunch of narcissists? And what should we do if we think someone in our life is a narcissist? We find out by talking to a real narcissist, Lee Hammock of the social media platform “The Self Aware Narcissist” as well as psychologists Prof. W. Keith Campbell, Prof. Kali Trzesniewski, and Dr. Craig Malkin. We want to hear your ideas for new episodes of Science Vs! Tell us via: Instagram at science_vs X at @sciencevs Bluesky at sciencevs Email at sciencevsteam@gmail.com Voicemail at +1(774) 481-1238‬ This episode does mention depression. Here are some crisis hotlines: United States: US National Suicide Prevention Lifeline Dial 988 (Online chat available); US Crisis Text Line Text “HOME” to 741741 Australia: Lifeline 13 11 14 (Online chat available) Canada: Canadian Association for Suicide Prevention (See link for phone numbers listed by province) United Kingdom: Samaritans 116 123 (UK and ROI) Full list of international hotlines here Find our transcript here: https://bit.ly/ScienceVsNarcissism In this episode, we cover: (00:00) Lee’s Ratatouille Moment (07:06) The Narcissism Test (15:53) Are We In a Narcissism Epidemic? (25:41) It Kind of Sucks to be a Narcissist (31:55) Narcissists in Therapy (35:11) How to Deal With a Narcissist in Your Life This episode was produced by Rose Rimler, with help from Wendy Zukerman, Michelle Dang, Meryl Horn, and Ekedi Fausther-Keeys. We’re edited by Blythe Terrell. Mix and sound design by Sam Bair. Fact checking by Erica Akiko Howard. Music written by Peter Leonard, Emma Munger, So Wylie, Bumi Hidaka, and Bobby Lord.Thanks to all the researchers we spoke to for this episode, including Dr. Igor Weinberg, Dr. April Ilkmen, Dr. Jennifer Gerlach, Dr. Betsy Edershile, Prof. Brad Bushman, Prof. Brent Donnellan, Prof. Chris Barry, Dr. Glenn Geher, and Winkie Ma. Special thanks to Rachel Humphries for editing help. And big thanks to everyone who helped us this season! Jack Weinstein, Hunter, Chris Suter, Oscar, Elise, Dylan, the Zukerman family and Joseph Lavelle Willson. Science Vs is a Spotify Studios Original. Listen for free on Spotify or wherever you get your podcasts. Follow us and tap the bell for episode notifications. Learn more about your ad choices. Visit podcastchoices.com/adchoices

People say that lowering inflammation is the key to boosting your mental and physical health. And there are all these claims about the best way to do it: add “anti-inflammatory foods,” like blueberries or turmeric, and absolutely don’t do certain kinds of exercise. We’ll find out how you can really lower your inflammation, and what this can do for your body and mind. We talk to neuroscientist Dr. Caroline Ménard, nutrition scientist Dr. Rosa Casas, and exercise physiologist Dr. Grace Rose. This episode does discuss depression and suicide a little bit. Here are some resources: * United States: * National Alliance on Mental Health: Call 1-800-950-NAMI (6264), text “HelpLine” to 62640 * Suicide & Crisis Lifeline: Call or text 988 * International resources and general mental health resources can be found here: https://resources.byspotify.com/ Find our transcript here: https://bit.ly/sciencevsinflammation In this episode, we cover: (00:00) Chapter 1: Everybody is talking about inflammation (03:23) Chapter 2: How inflammation can affect our bodies and minds (16:04) Chapter 3: Can we fix inflammation by cutting out nightshades? (19:48) Chapter 4: How to really lower your inflammation through your diet (28:44) Chapter 5: Does working out too hard raise chronic inflammation? This episode was produced by Meryl Horn with help from Wendy Zukerman, along with Michelle Dang, Rose Rimler and Ekedi Fausther-Keeys. We’re edited by Blythe Terrell. Mix and sound design by Sam Bair. Fact checking by Diane Kelly. Music written by Bobby Lord, Emma Munger, So Wylie, Bumi Hidaka and Peter Leonard. Thanks to all the researchers we spoke with for this episode, including Professor Suzanne Segerstrom, Professor Andre Nel, Dr. Hannah Mayr, Professor Zhaoping Li, Dr. Jennifer Felger, Professor Andreas Michalsen, Professor Charles Serhan, Professor Heather Zwickey, Dr. Jian Tan and Professor Philip Calder. Science Vs is a Spotify Studios Original. Listen for free on Spotify or wherever you get your podcasts. Follow us and tap the bell for episode notifications. Learn more about your ad choices. Visit podcastchoices.com/adchoices