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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鈥檝e seen an ad, trend or fad relating to another consumer product and wonder if there鈥檚 any evidence to back up a claim, then email us: sliced.bread@bbc.co.uk or you can send a voice note to our WhatsApp number: 07543 306807

PRESENTER: Greg Foot
PRODUCER: Tom Moseley