Sliced Bread

BBC Radio 4
Sliced Bread
Latest episode

205 episodes

  • Sliced Bread

    Ergonomic Keyboards and Mice

    14/05/2026 | 23 mins.
    Do ergonomic devices like split keyboards and vertical mice help with comfort and health?
    If you're a heavy computer user there are an increasing variety of weird and wonderful options to help improve your comfort and reduce the risk of aches and pains associated with 'Repetitive Strain Injury' (RSI).
    Listener Tim is curious whether ergonomic tools—such as split keyboards, alternative layouts, or vertical mice—could optimise his professional setup as a software engineer.
    To find out, presenter Greg Foot does a deep-dive into the evidence alongside Nichola Adams, from the Chartered Institute of Ergonomics and Human Factors; and Ben Vallack, who runs a YouTube channel all about workflow and design.
    And if you're interested in this topic, we have a companion episode on Standing Desks - available along with all our other episodes on BBC Sounds.
    All of our episodes start with YOUR suggestions. If you’ve seen an ad, trend or wonder product promising to make you happier, healthier or greener, email us at [email protected] OR send a voice note to our WhatsApp number, 07543 306807.
    RESEARCHER: PHIL SANSOM
    PRODUCERS: SIMON HOBAN AND GREG FOOT
  • Sliced Bread

    Vibration Plates

    07/05/2026 | 30 mins.
    Can Vibration Plates help with fitness, bone density, and even lymphatic drainage?
    They've been around for a while but vibration plates seem to be having another 'moment'. Originally touted as a piece of fitness kit for the gym or home, the latest ads on social media seem to be promoting claims around benefits to bone density and lymphatic drainage.
    Listeners Natasha and Steve got in touch wanting to know whether all this could really be true of a single wonder product! To find out, presenter Greg Foot is joined by Dr Claire Minshull, a sports rehabilitation expert, and Professor Neil Mansfield, author of the book 'Human Response to Vibration'.
    All of our episodes start with YOUR suggestions. If you’ve seen an ad, trend or wonder product promising to make you happier, healthier or greener, email us at [email protected] OR send a voice note to our WhatsApp number, 07543 306807.
    RESEARCHER: PHIL SANSOM
    PRODUCERS: SIMON HOBAN AND GREG FOOT
  • Sliced Bread

    Hair Removal Devices

    30/04/2026 | 29 mins.
    Can Intense Pulsed Light devices really "zap" away your unwanted hair? 
    You may have seen IPL devices advertised on social media - that promise painless hair removal using light to "zap" away body hair.
    Listener Karen got in touch to ask if these "Zappers" could possibly free her from having to shave her legs in the summer? How are they supposed to work, are they safe to use, and is it worth the investing in one?
    To find out, Greg Foot is joined by Dr Gill Westgate, a skin and hair biologist and honorary visiting lecturer at the University of Bradford. 
    All of our episodes start with YOUR suggestions. If you’ve seen an ad, trend or wonder product promising to make you happier, healthier or greener, email us at [email protected] OR send a voice note to our WhatsApp number, 07543 306807.
    RESEARCHER: PHIL SANSOM
    PRODUCERS: KATE HOLDSWORTH AND GREG FOOT
  • Sliced Bread

    Infrared Saunas

    23/04/2026 | 29 mins.
    Are infrared saunas as effective as traditional ones?
    If you've ever sat sweating on a wooden bench in a traditional ('Finnish') sauna wondering if there was an easier way, could infrared be the answer? Infrared saunas work at lower temperatures, ostensibly making it easier to stay in there for longer. Listener Paul got in touch after trying one and wants to know if infrared saunas give you the same purported benefits as traditional ones.
    Those claims include: improved cardiovascular health, weight loss, longevity and even benefits to mental health and depression. But what's the evidence and does it amount to a load of hot air?
    To get the answers, Greg Foot is joined by Professor Chris Minson, an expert in the effects of heat on the body who's carried out research on infrared saunas.
    All of our episodes start with YOUR suggestions. If you’ve seen an ad, trend or wonder product promising to make you happier, healthier or greener, email us at [email protected] OR send a voice note to our WhatsApp number, 07543 306807.
    RESEARCHER: PHIL SANSOM
    PRODUCERS: SIMON HOBAN AND GREG FOOT
  • Sliced Bread

    Earwax Removers

    16/04/2026 | 24 mins.
    Almost everyone is guilty of fiddling with their ears, especially if they can feel a build-up of earwax in there. But what actually works to get rid of it, and should we be messing with them in the first place?
    Listener Martin got in touch after finding out his earwax build-up was returning - and wanted to know if drops alone would solve his problem, or if he needed to seek professional help to remove it?
    Greg Foot speaks to professor of Audiology at Manchester University, NIHR senior Investigator and former chairman of the British Society of Audiology, Kevin Munro - to find out. 
    All of our episodes start with YOUR suggestions. If you’ve seen an ad, trend or wonder product promising to make you happier, healthier or greener, email us at [email protected] OR send a voice note to our WhatsApp number, 07543 306807.
    RESEARCHER: PHIL SANSOM
    PRODUCER: KATE HOLDSWORTH & GREG FOOT
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About 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 his findings back to the listener so they can decide if it's worth spending their hard earned money on.New episodes of Sliced Bread are released weekly on Thursdays wherever you get your podcasts. But if you're in the UK, you can listen to the latest episode on BBC Sounds first, a week earlier than anywhere else. If you have a suggestion for a product to investigate, you can email the team on [email protected] or send a WhatsApp voice note via the number 07543 306807.Sliced Bread is produced by BBC Audio North for BBC Radio 4 and BBC Sounds.
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