Sliced Bread

Are expensive sports bras worth the money?

Buying a sports bra can be a baffling experience, not least because of the marketing terminology which is full of buzz-phrases like 'high intensity support', 'specialist materials' and 'racer backs'.

Listener Teresa has seen sports bras ranging in price from just a few pounds to three figures and wants to know if paying more means you get greater support.

Greg speaks to Professor Joanna Wakefield-Scurr, 'The Bra Professor', to take a deep dive into the science and find out more. Can one sports bra suit all sports, like running and yoga? Does the support reduce over time? And when should you wash or replace your sports bra?

If you’ve seen an ad, trend or fad relating to another consumer product and wonder if there’s any evidence to back up a claim, then email us: [email protected] or you can send a voice note to our WhatsApp number: 07543 306807

Presenter: Greg Foot

Trying to buy a new vacuum cleaner can be a pretty confusing experience. Do you go bagged or bagless? Corded or cordless? Is it worth paying extra for something with anti hair wrap tech? Or forking out for a robot to do it all for you? That's what listener Sally is tempted by - she wants to know if a robot will clean as well as a regular handheld version. Listener Rachel wants advice on which features are worth the extra cash. To help them navigate this complicated market, Greg consults Grace Forell, a consumer expert from Which? and host of its Get Answers podcast - and finds out all about dust with professor Hasan Arshad, who leads allergy research at the University of Southampton.

If you’ve seen an ad, trend or fad relating to another consumer product and wonder if there’s any evidence to back up a claim, then email us: [email protected] or you can send a voice note to our WhatsApp number: 07543 306807

PRESENTER: Greg Foot

Do the claims made about Ice Baths hold water?

Social media appears to be filled with countless people sitting blissfully in small inflatable ‘ice baths’. Fans of such ‘cold water therapy’ claim that taking a chilly plunge will boost your energy levels, reduce your stress, help you sleep better, and supercharge your recovery after a workout. Listener Laura wants to know if the science backs that up.

In this episode, I dip my toe - and the rest of me - into an ice bath to find out. I'm guided by Professor Mike Tipton at the University of Portsmouth, one of the leading academics in the study of cold water and its effects on the body.

If you’ve seen an ad, trend or fad relating to another consumer product and wonder if there’s any evidence to back up a claim, then email us: [email protected] or you can send a voice note to our WhatsApp number: 07543 306807

Presenter: Greg Foot

How green can your loo roll be? Lots of companies have sprung up offering what they say are the most eco-friendly ways to wipe - and there's a lot to think about.

Listener Barbara buys recycled toilet paper - and wants to know if she's better off buying one of the bamboo options on the market. Jo already buys bamboo but is curious about the difference packaging and delivery options make.

To get them some answers, Greg Foot speaks to Shanta Bhavnani from Ethical Consumer magazine, who carried out its 2023 ethical toilet paper guide, and materials expert Dr Eral Bele of University College London, who's studied the properties of bamboo.

If you’ve seen an ad, trend or fad relating to another consumer product and wonder if there’s any evidence to back up a claim, then email us: [email protected] or you can send a voice note to our WhatsApp number: 07543 306807

PRESENTER: Greg Foot

Can Smart Thermostats save you money on energy bills?

Temperatures are falling and conversations are already turning to whether or not the heating has been turned on! Although energy prices have come down a little since last year, the withdrawal of universal Government support to alleviate the cost could mean bills stay high for a lot of people.

Listener Wendy is already doing a lot to save money (having listened to a previous Sliced Bread episode on Portable Heaters - check it out on BBC Sounds!) but she's keen to know if the addition of a Smart Thermostat might make even more of a difference.

Are they as clever as they claim to be when it comes to controlling the heating in your home?

If you’ve seen an ad, trend or fad relating to another consumer product and wonder if there’s any evidence to back up a claim, then email us: [email protected] or you can send a voice note to our WhatsApp number: 07543 306807

PRESENTER: Greg Foot

Greg Foot gets queasy in the name of science as he investigates the range of products promising to help with motion sickness.

Do the pills, wristbands or breathing techniques which claim to stop you from feeling sick on planes, trains and automobiles actually work?

To find out, Greg heads to Professor John Golding's laboratory at the University of Westminster where a spinning chair is used to induce symptoms of motion sickness.

Why don't scientifically-proven treatments always work for everyone?

If you’ve seen an ad, trend or fad relating to another consumer product and wonder if there’s any evidence to back up a claim, then email us: [email protected] or you can send a voice note to our WhatsApp number: 07543 306807

Sliced Bread is a BBC Audio North production for Radio 4 and BBC Sounds.

PRESENTER: Greg Foot

Do weighted blankets reduce stress and help you sleep better?

They’ve gone from a middle-aisle fad to being a regular fixture in supermarkets and online stores. Weighted blankets can cost upto £200 and promise to give you a deeper, more restful sleep. But do they?

Listener Theresa wanted to know about the science behind them. What is it about the ‘deep touch’ or ‘deep pressure’ stimulation that the manufacturers claim helps us to sleep? They’re also often marketed as offering help with anxiety and autism. Listener Claire runs a support group for children with autism and is keen to know more, so I speak to the lead scientist of a big study into that. And listener Pauline wonders whether there are any health risks associated with weighted blankets?

Once again this series we’re testing and investigating your suggested wonder-products, so if you’ve seen an ad, trend or fad, and wonder if there’s any evidence to back up a claim, drop us an email to [email protected] or you can send us a voice note to our WhatsApp number: 07543 306807.

Presenter: Greg Foot

Induction hobs are not just a fashionable addition to a new kitchen, but are also sold as a more efficient choice than a gas hob. How do they compare? Is cooking on an electric induction hob better for the planet? And what about our health?

Listener Roisin wants to know if they are an economical choice but worries they might affect her mum's pacemaker, while listener Anna is concerned about indoor air pollution from gas cookers and wonders if induction hobs are a safer bet.

Greg Foot gets them some answers with expert help from Emily Seymour, the Energy Editor at Which? and Jonathan Grigg, Professor of Paediatric Respiratory and Environmental Medicine at Queen Mary University of London.

If you’ve seen an ad, trend or fad relating to another consumer product and wonder if there’s any evidence to back up a claim, then email us: [email protected] or you can send a voice note to our WhatsApp number: 07543 306807

PRESENTER: Greg Foot

Is vaping harmful to your health and to the environment?

I'm back with a new series of Sliced Bread and I'm kicking off with a topic many of you have suggested - vapes. They've become controversial largely because of the rise in single-use, or disposable, vapes. Nearly eight million are sold in the UK each week, a figure that's doubled in the past year. And according to the organisation Material Focus, which campaigns to increase recyling rates, five million of those are thrown away. Listener John has spotted them lying around on the pavement and is worried about their effect on the environment.

I'm joined by Scott Butler from Material Focus who takes apart a disposable vape and shows me just what's inside and explains why they're harmful to the planet and what can be done to improve recycling.

I'm also investigating the reason vapes were introduced in the first place over a decade ago - as a smoking cessation aid. Listener Sam wants to know if they really do help you stop smoking or whether the convenience of disposable vapes means they just prolong or even worsen the addiction?

I speak to Professor Anne McNeill, co-author of a landmark review into the health impact of vapes and their effectiveness when it comes to helping people stop smoking compared to previous treatments like nicotine patches or gum.

Presenter: Greg Foot

Greg Foot returns to investigate a whole new batch of so-called wonder products suggested by you, the listeners.

Sliced Bread is back for a new series from Thursday 28 September, 2023 on BBC Radio 4 and BBC Sounds, with new episodes available weekly on Thursdays on BBC Sounds and wherever you get your podcasts.