We're back for one night only and we're joined by economist, author, data scientist and all-round HERO Emily Oster, who tells us what the data says about everything from Just Relaxing to acupuncture.

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Well, that's a wrap for series 7. To celebrate, Gabby and Emma are raising a festive glass and answering questions from listeners. They're also exchanging gifts - you be the judge of who's the winner.

Lots of hugs for your jourrrrney in 2025 - and see you soon! You can sign up to our substack at https://bigfatnegative.substack.com/.

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We've heard some heart-breaking stories about the IVF postcode lottery - people who've aged out of their ICB's limit as they tried to lose weight to start IVF, couples who aren't allowed NHS-funded IVF because one person has a child from a former relationship. Amber Izzo and Katie Rollings want to do something about that.

Today we talk to them about their campaign to end the postcode lottery, and how you can get involved.

Prof Tim is talking about Ayurvedic medicine.

Dov Fox has an audiobook! It's called Donor 9623, and it's about a reproductive hoax. You can find it at https://www.audible.com/podcast/Donor-9623-Part-One/B08GC5KWW8, and part two at https://www.audible.com/podcast/Donor-9623-Part-Two/B0C62FFNL4.

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