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Baby Sleep Products
Sleep deprived parents everywhere are tempted to reach for anything that might help them get a little more sleep overnight – but can products promising to encourage babies to snooze for longer – really do that? And is there any science to b
Kitchen Knives and Sharpeners
Which knife is best for the kitchen and how do you keep it sharp? After buying various knives over the years that ended up blunt, listener Susan is looking for one that will last. She's seen an array of different types and materials: Damasc
VPNs
Do you really need a VPN? Listener Andrew has seen and heard lots of adverts for Virtual Private Networks (VPNs) and wants to know if they'll beef up the security on his computer. Will they provide extra protection from malware or hackers?
Kefir
Listener Amanda was Kefir curious, and got in touch with Sliced Bread to ask if the Kefir she was consuming for breakfast every day – was really having an impact on her health, cognitive function, and her gut? She wasn’t the only person to
Testosterone Replacement Therapy
Can taking testosterone help with low libido and energy? It's all over social media and is often touted by celebs - both male and female - but is testosterone replacement therapy the answer to listener Clive's low energy levels? Clive got i
Dark Chocolate
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 Sl
Weight-loss Injections
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 implica
The Sliced Bread Christmas List 2025
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 let
Cough Medicines
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 th
Car Shampoos and Coatings
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
Fake Tans
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 do
Toenail Fungus Treatments
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-ligh
Scar Gels and Oils
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
Creatine
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 cognit
Dough - Series 3: The Future of Flight
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 entrepren
Dough - Series 3: The Future of Clothing
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 entrepren
Dough - Series 3: The Future of Housebuilding
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 a
Dough - Series 3: The Future of Home Parcel Delivery
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 redef
Dough - Series 3: The Future of Cars
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 disc
Smart Doorbells
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 th
Salt
Is expensive salt better for your health? Greg Foot gathers the experts, dives into the data and crunches the numbers to get the answers for listener Sally. Each episode Greg investigates the latest ad-hyped products and trending fads promi
Nail Polish and Gels
Greg Foot gathers the experts, and "chips" away at the science for listener Helen. 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
Standing Desks
Greg Foot gathers the experts, to find out which claims "stand up" to scrutiny for listener Bede. Each episode Greg investigates the latest ad-hyped products and trending fads promising to make us healthier, happier and greener. Are they re
Dehumidifiers
Can dehumidifiers dry out your house - and your clothes? Greg Foot gathers the experts, dives into the data and crunches the numbers to get answers for listener Rhys. Each episode Greg investigates the latest ad-hyped products and trending
Chopping Boards
Which chopping board material is best for hygiene and the planet? Greg Foot gathers the experts, dives into the data and crunches the numbers to get answers for listener Simon. Each episode Greg investigates the latest ad-hyped products and
Water Filters (Live at Cheltenham Science Festival)
Can jug or under sink filters, promising to soften tap water and improve taste, really take out what they claim? Greg Foot gathers the experts live at Cheltenham Science Festival, dives into the data and crunches the numbers to get answers
Dog Food (Live at Hay Festival)
Is more expensive dog food worth it? Greg Foot gathers the experts, dives into the data and crunches the numbers to get answers for listeners Izzy and Pete. Each episode Greg investigates the latest ad-hyped products and trending fads promi
Menopause Supplements
Can supplements claiming to make menopause symptoms more bearable, really help? Going through menopause can result in a myriad of symptoms, leaving women stressed, exhausted, and desperate for anything that might make it easier to deal with
Vagus Nerve Stimulators
Do Vagus Nerve Stimulators help your mental health? The vagus nerve could be one of the most important body parts you might never have heard of. It's a large nerve that connects major organs like the heart and lungs to the brain and studies
Lip Balm
When staring at shelves full of sticks, tubs and tubes all promising us the perfect pout, how do you know which Lip Balms will really help keep chapped lips at bay? Listener Kiran is a regular lip balm applier - saying she often suffers wit
