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PODCAST

Sliced Bread

Sliced Bread is the series that investigates the latest ad-hyped products and trending fads promising to make us healthier, happier and greener. Are they really "the best thing since sliced bread"? Science presenter Greg Foot finds out.Greg speaks to experts on a bunk-busting mission to test the latest consumer trends chosen by listeners. Do they live up to the hype? Or are they just marketing BS?Greg chats to the experts, dives into the data, performs tests and crunches the numbers before putting

health & fitness

All Episodes

24:32

Dark Chocolate

Sliced Bread ·

2026/01/22

Listener Jenny, who enjoys a 90% cocoa bar from time to time, got in touch to ask if some of the reports that dark chocolate can have a positive effect on things like circulation and mood - have any truth behind them? But Jenny also told Sliced Bread that since she read reports that heavy metals such as lead and cadmium could be in dark chocolate - she's been unable to enjoy her regular bar, until she knows it's safe to eat!Each episode Greg investigates the latest ad-hyped products and trending

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35:26

Weight-loss Injections

Sliced Bread ·

2026/01/15

Is it ok to stay on weight loss injections?They have been nothing short of a pharmaceutical phenomenon. But for people like listener Lynn who've had huge success on weight loss drugs like Mounjaro, the question now arises about the implications of using them long-term. Could there be a 'maintenance' dose that would potentially allow for use over many years, or even a lifetime? And as scientists study the data, are other benefits emerging that go beyond just losing weight that could burnish their

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24:45

Toast - Farepak's Christmas Hampers

Sliced Bread ·

2025/12/25

What led to the collapse of the Christmas savings club Farepak? The BBC Business journalist, Sean Farrington, investigates with the entrepreneur, Sam White, alongside him.It's our Christmas special and we're turning the clock back to the mid 1960s…. and looking at a business which started from humble beginnings in a Peckham butcher's shop, and went on to change Christmas for tens of thousands of families all over the UK.So, why did Farepak end up toast?Sean interviews:-David Goodhart - founder

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24:54

Toast - C&A's UK Stores

Sliced Bread ·

2025/12/18

The fashion chain C&A continues to thrive elsewhere so why did it shut all its UK stores? The BBC Business journalist, Sean Farrington, investigates how they ended up toast, in the company of resident business expert and entrepreneur, Sam White.C&A used to be one of the biggest fashion retailers on the UK's high streets until a shock decision in 2000 led to the stores' sudden closure.To help explain what happened, Sean and Sam delve into the BBC archives and hear from expert guests including

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24:42

Toast - Skype

Sliced Bread ·

2025/12/11

Why did Skype fall out of favour in a world of global video calls?The BBC Business journalist, Sean Farrington, investigates with the entrepreneur, Sam White, alongside him.Sam never knows what's coming so, at the end of every episode of Toast, she gives her off-the-cuff and authentic professional opinions on why a brand disappeared based on what she has just heard and her own business knowhow. In this episode, we learn how Skype worked by using Voice Over Internet Protocol to send audio and video

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24:39

Toast - Dasani Water

Sliced Bread ·

2025/12/04

Dasani water, a bottled water from Coca-Cola, proved a big hit in the U.S.A so why did it last for less than 6 weeks in the UK?The BBC Business journalist, Sean Farrington, investigates how it ended up toast, in the company of resident business expert and entrepreneur, Sam White.In the early 2000s, Coca-Cola had entered the growing bottled water market and was hoping to turn its hit new brand in America into a global sensation. But shortly after Dasani water was launched in the UK, things quickly

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35:15

Toast - BlackBerry Smartphones

Sliced Bread ·

2025/11/27

How did the company behind the revolutionary BlackBerry smartphone lose its grip on the handset market?The BBC Business journalist, Sean Farrington, investigates with special guest, Sir Stephen Fry, who has remained 'faithful' to the BlackBerry brand. Alongside them is the entrepreneur, Sam White, who at the end of the show has to reach her own conclusions on why BlackBerry handsets disappeared, based only on what she has just heard and her own business acumen. The first BlackBerry device freed

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43:19

The Sliced Bread Christmas List 2025

Sliced Bread ·

2025/11/20

The team has gone through 30 episodes over the past year, and carved out five potential present worthy products that may well be heading down a chimney to you this Christmas. (We wanted to give you plenty of time to include them in your letters to Santa.) Greg Foot will share with you the key points from experts we’ve spoken to on Nail Polish & Gel Nails, Chopping Boards, Lip Balm, Smart Scales, and Sleep headbands. (The information in this episode was correct at the time of recording.) And as

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25:25

Cough Medicines

Sliced Bread ·

2025/11/13

Are cough medicines any better than just taking honey and lemon?When Listener Sally sent in a croaky voicenote to our Sliced Bread Whatsapp number (07543 306807 - put us in your contacts!) we knew we had to tackle this one. Sally didn't think the medicine she used for her cough did very much, so she joined presenter Greg Foot and Jacky Smith, Professor in Respiratory Medicine at the University of Manchester, to get some answers.Each episode Greg investigates the latest ad-hyped products and trending

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32:46

Car Shampoos and Coatings

Sliced Bread ·

2025/11/06

Are special shampoos and coatings any good at cleaning and protecting your car? They're all over Instagram: washes, foams, and ceramic coatings in a rainbow of coloured bottles that promise to give your car that showroom shine. For listener James - a driving instructor - the question is whether they're worth the money, or if an ordinary bottle of washing up liquid will do the job.To find out Greg is joined in the Salford studio by materials scientist and vehicle coatings researcher at the

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24:57

Fake Tans

Sliced Bread ·

2025/10/30

Listener Julie has been reaching for the fake tan every spring to add a "bit of colour" to her legs, but after much trial and error with foams, lotions and gels, she got in touch with Sliced Bread to ask what is actually IN fake tan? How does it work - and is there a particular kind that might suit her best?Greg Foot is joined by Consultant Dermatologist and Senior Lecturer at the University of Manchester Dr Jean Ayer, as well as Cosmetic Scientist and Science Communicator who runs the blog

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35:09

Toenail Fungus Treatments

Sliced Bread ·

2025/10/23

Can anything stop toenail fungus in its tracks?It's one of the most-requested but least-talked-about topics, so listener Julia speaks for many as she joins us to ask about treatments for toenail fungus. She's keen to know if the laser-light devices shes's seen on social media really do work, as well as over-the-counter lacquers and prescription drugs. To get the answers Greg and Julia are joined in the Salford studio by Dr Ivan Bristow, who's on the British Association of Dermatologists' Foot Fungus

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25:04

Scar Gels and Oils

Sliced Bread ·

2025/10/16

Greg Foot speaks to Consultant Dermatologist and Dermatological Surgeon Dr Emma Craythorne - who has plenty of skin in the game - to find some answers for listener Phil about about scars, how they occur, the different types, and what might help make them less obvious. Each episode Greg investigates the latest ad-hyped products and trending fads promising to make us healthier, happier and greener. Are they really 'the best thing since sliced bread' and should you spend your money on them?At Sliced

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30:50

Creatine

Sliced Bread ·

2025/10/09

Can creatine boost your body and mind?Listener Simon has been taking the fitness supplement creatine and wants to know if the science backs up the claim that it can make you stronger and faster. He's also heard that it can help with cognitive function. To find out if creatine can boost body and mind, presenter Greg Foot is joined by Graeme Close, Professor of Physiology at Liverpool John Moores University and Fabienne Sandkuhler, postdoctoral researcher at LMU Munich.Each episode Greg investigates

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27:25

Dough - The Future of Flight

Sliced Bread ·

2025/10/02

Can supersonic air travel make a comeback?Greg Foot, host of the BBC Radio 4 show 'Sliced Bread', now brings you 'Dough'.Each episode explores future wonder products that might rise to success and redefine our lives.Experts and entrepreneurs discuss the trends shaping what today's everyday technology may look like tomorrow, before a leading futurist offers their predictions on what life might be like within five, ten and fifty years.This episode examines the future of flight. How could new,

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25:10

Dough - The Future of Clothing

Sliced Bread ·

2025/09/25

Could 'smart' clothing monitor our health?Greg Foot, host of the BBC Radio 4 show 'Sliced Bread', now brings you 'Dough'.Each episode explores future wonder products that might rise to success and redefine our lives.Experts and entrepreneurs discuss the trends shaping what today's everyday technology may look like tomorrow, before a leading futurist offers their predictions on what life might be like within five, ten and fifty years.This episode examines the future of our clothing.How can

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27:34

Dough - The Future of Housebuilding

Sliced Bread ·

2025/09/18

Could your future home be built by a robot bricklayer?Greg Foot, host of the BBC Radio 4 show 'Sliced Bread', now brings you 'Dough'.Each episode explores future wonder products that might rise to success and redefine our lives.Experts and entrepreneurs discuss the trends shaping what today's everyday technology may look like tomorrow, before a leading futurist offers their predictions on what life might be like within five, ten and fifty years.This episode examines the future of UK

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27:08

Dough - The Future of Home Parcel Delivery

Sliced Bread ·

2025/09/11

Will delivery drones and robots make popping to the shops a thing of the past?Greg Foot, host of the BBC Radio 4 show 'Sliced Bread', now brings you 'Dough'.Each episode explores future wonder products that might rise to success and redefine our lives.Experts and entrepreneurs discuss the trends shaping what today's everyday technology may look like tomorrow, before a leading futurist offers their predictions on what life might be like within five, ten and fifty years.This episode looks at the

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27:46

Dough - The Future of Cars

Sliced Bread ·

2025/09/04

Will your car be driving you by 2050?Greg Foot, host of the BBC Radio 4 show Sliced Bread, now brings you Dough.Each episode explores future wonder products that might rise to success and redefine our lives.Experts and entrepreneurs discuss the trends shaping what today's everyday technology may look like tomorrow, before a leading futurist offers their predictions on what life might be like within five, ten and fifty years.The series kicks off with a look at the future of cars.Will new battery

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29:24

Smart Doorbells

Sliced Bread ·

2025/08/28

Is it worth getting a Smart Doorbell?Greg Foot pushes all the right buttons as he gathers consumer and crime experts to get answers for listener Derek, who's keen to learn more about the various features, prices and security elements in the growing market of smart doorbells. Each episode Greg investigates the latest ad-hyped products and trending fads promising to make us healthier, happier and greener. Are they really 'the best thing since sliced bread' and should you spend your money on them?This

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