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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

26:24

Painkillers

Sliced Bread ·

2023/02/09

When it comes to shop-bought painkillers, there are rows and rows of shelves dedicated to them in supermarkets and pharmacies – ranging from own-brand tablets, to more expensive capsules and caplets, as well as branded packets that promise to work faster, and target specific pain. Listener Hannah got in touch all the way from Tunisia to ask the questions – what’s the difference between paracetamol, ibuprofen or aspirin? Can certain painkillers target specific pain? And are any of them able to

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28:16

Eco Laundry Products

Sliced Bread ·

2023/02/02

In this episode presenter Greg Foot investigates three products that promise to make washing your laundry better for the planet.Listener Clare wants to know if the Ecoegg she’s using really is a greener alternative to liquid detergent and whether the cleaning pellets inside are harmful to the environment.Another listener, Jane, got in touch about laundry sheets – strips of concentrated detergent that go inside the washing machine’s drum. Is the slightly higher cost worth it to cut down on waste?And

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27:05

Petrol

Sliced Bread ·

2023/01/26

Petrol is something millions of drivers around the UK rely on, but when faced with the choice of what to fill up with at the pumps, many wonder what is the difference between regular and premium unleaded?That’s exactly what listener Irfan wanted to know, and if premium can really deliver on its promises to make your car more efficient, take you further, and clean out your engine for a higher price tag. Greg Foot drives the investigation into unleaded petrol, what’s changed since we moved from E5 to

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26:40

Energy Drinks

Sliced Bread ·

2023/01/19

Sales of energy drinks are rising and their brightly coloured cans line the shelves of almost every supermarket or grocery store in the UK. But do brands like Monster, Red Bull and Relentless deliver on their promises? Listener Syed is a consultant radiologist and says he needs to be on his A-Game in his demanding job. He wants to know if an energy drink would be any better than his usual cup of coffee in helping him stay alert. He's also keen to know more about some of the ingredients they contain

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25:49

Shampoo

Sliced Bread ·

2023/01/12

Shampoo ranges hugely in price, from own brand bottles to premium products that promise to improve your hair, leaving it in better condition, stronger and shinier. But can they really deliver?Listener Sophie sent in a WhatsApp to ask just that, as well as whether we should use different shampoos depending on our hair type, if sulphates or parabens could be harmful to our hair, and if shampoo bars can do the job just as well, and be a greener option? Greg Foot untangles some of the most common claims

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23:11

Cold Defence Nasal Sprays

Sliced Bread ·

2023/01/05

Two products dominate the market for nasal sprays that claim to reduce symptons of a cold - Vicks ‘First Defence’ and Boots ‘Dual Defence’. But do they work?Listener Leah got in touch because she catches lots of colds from her young son and wants to know if they can help her get over them more quickly. She also wants to know if they’re safe to use regularly and how long you should take them for.Presenter Greg Foot sniffs out the evidence and talks to a leading expert who’s dedicated most of his

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26:33

Batteries

Sliced Bread ·

2022/12/15

In the run up to Christmas, many parents will be checking on their battery supplies ahead of Santa bringing gifts that require them. But do branded batteries, that promise more power and longer life at a higher price point, really deliver it?Listener Peter got in touch asking just that, as well as whether batteries have an expiry date? Greg Foot recruits some year 7 pupils and their teacher to help him perform a test to find out, and speaks to one of the country’s leading scientists about what gives

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29:14

Perfume

Sliced Bread ·

2022/12/08

Smelling good can come with a hefty price tag with the price of perfumes often getting into the hundreds of pounds. But what if there was a cheaper alternative?Listener Callum got in touch because his bottle of expensive perfume is about to run out. Presenter Greg Foot turns his nose to the task, testing so-called 'clone' perfumes which claim to get as close the originals as to be indistinguishable - but for a fraction of the cost. Speaking to an expert perfumer he finds out exactly how the clone

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29:23

Razors

Sliced Bread ·

2022/12/01

It’s something most of us will have used at some point, and a product that has been around for decades in various forms. But do all the advertised fancy features, pivoting heads, multiple blades and higher price tags, really make a difference to your shave?Listener Tim got in touch, asking just that, as well as whether all the extras on razors these days also have an impact on the environment?Greg Foot focuses on modern cartridge razors in this episode, and cuts through the marketing hype to get

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29:21

Collagen Supplements

Sliced Bread ·

2022/11/24

It’s one of the most talked-about cosmetic products but what’s the evidence that collagen supplements really do slow the visible signs of the ageing process? Listener Jo got in touch wanting to know if the collagen supplement she’s spending £53 per month on will live up to its claim of reducing wrinkles, while promoting “glossy hair and plump dewy skin.”Other listeners asked whether it can help with joint aches and pains, or strengthen nails?Greg Foot sets out to answer all these questions by

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32:52

Wake Up Lights & SAD Lamps

Sliced Bread ·

2022/11/17

With shorter days, longer nights, and bad weather leading to the winter blues for many, and for some the more severe Seasonal Affective Disorder, Sliced Bread investigates whether specially designed lights can really help improve how we feel.Listener Ross got in touch on WhatsApp after he’d read claims Wake Up Lights and SAD Lamps can boost our mood, and wanted to know what “medically certified” means when accredited to them, and if it’s worth paying extra for it? Greg Foot finds out by speaking to

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28:48

Portable Heaters

Sliced Bread ·

2022/11/10

It's getting colder and with the cost of living rising, how best to heat our homes in the most efficient way possible has become a big question.Listener Ken got in touch about a new kind of portable ceramic heater he's seen advertised, promising to heat your room using 30% less energy.Greg Foot teams up with Octopus Energy to run it through the evidence mill and test it against three other types of portable heater: a convection heater, a fan heater and an oil-filled radiator to find out which gives

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27:15

Natural Deodorants

Sliced Bread ·

2022/11/03

The Natural Deodorant market has recently expanded, with plenty of products out there promising to keep you fresh, and dry, without the use of traditional ingredients such as aluminium salts. Listener PC Hollie got in touch on WhatsApp after she’d seen claims that regular deodorants and antiperspirants containing aluminium salts might be bad for our health, and wanted to know if natural deodorants are really better for us?She also wanted to know why they’re more expensive, if it’s worth paying more,

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5:50

Bonus Episode: Sliced Bread Meets All Consuming

Sliced Bread ·

2022/08/25

Sliced Bread host Greg Foot talks to presenters Charlotte Williams and Amit Katwala about All Consuming, their new series exploring products that have changed the world.You can listen to the series by searching for All Consuming on BBC Sounds.

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27:51

Compression leggings, Bath salts, Water softeners and...

Sliced Bread ·

2022/08/18

Can compression leggings improve performance and help your limbs recover after exercise? Do magnesium bath salts really help soothe aching muscles? And do water softeners and filters really help save us money on our appliances by preventing scale from building up in our pipes?With Greg still in Edinburgh for the Festival, we’re sticking with last week’s format and investigating THREE of the wonder-products you’ve sent us on WhatsApp in a "triple slice" of quick investigations.First up, Listener

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25:58

Dog food, Diet fizzy drinks, Mouthwash

Sliced Bread ·

2022/08/11

Is expensive dog food better for your pooch than the cheap stuff? Are diet fizzy drinks actually ‘bad’ for you? And should we all add mouthwash to our bathroom routine?With Greg up at the Edinburgh Fringe Festival this week we’re doing something a little different - investigating THREE of the wonder-products you’ve sent us on WhatsApp in a triple slice of quick investigations.First up, listener Ali in Bristol wants to know whether the expensive dog food she bought is really better for her new pooch

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27:22

Paint

Sliced Bread ·

2022/08/04

We watch paint dry for you to find out if pricey paint is worth it.Domestic interior wall paint comes in many different pots, colours, types and price points. However some claim the extra pennies mean they’re not only better quality and offer a better finish, but that they’re better for the environment too. Listener Emily got in touch on WhatsApp after she bought a house that needs redecorating. She has six children, two dogs, two tortoises, two ducks and five chickens, so is very much in need of a

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24:58

Massage Guns

Sliced Bread ·

2022/07/28

Can massage guns from the likes of Theragun, Pulse Roll and others brands, help you warm up before exercise and recover more quickly after it?Massage guns are one of the biggest-selling fitness devices of the past few years. They have a vibrating silicone head that delivers percussive pressure onto the muscle. Manufacturers claim ‘vibration’ therapy increases bloodflow and helps the user warm up before exercise, perform better during it AND ease soreness afterwards. But does it?Listener Clare got in

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25:54

Fat Burning Pills

Sliced Bread ·

2022/07/21

Is there really a pill that can help you burn fat? Sticking to a good diet and exercising to lose weight takes hard work and discipline, so what if there was something you could take that could do some of that work for you?Listener June got in touch wanting to know if this is the case, or if it’s too good to be true? Are there really pills being sold online and on the high street that can help you burn fat, or speed up your metabolism?Greg Foot investigates, hearing from some people who’ve tried

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24:41

Sunglasses

Sliced Bread ·

2022/07/14

Do more expensive pairs better protect your eyes? Whether you’re hoping to catch some rays here in the UK or heading abroad for summer sun, you’ll want to think about protecting your eyes from the harmful UV in those rays. But how much do you need to spend on sunglasses to keep you safe?Listener Wayne got in touch wanting to know the answer. He also wondered whether darker tints better protect his eyes, and asked what the term ‘polarised’ means, and whether he should ensure any new pair are exactly

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