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Many people say that knitting or crochet helped ease their anxiety during the Covid-19 lockdowns. Claire Anketell set up free Yarn for Mental Health courses in Northern Ireland last year and Gemma McAdam says crochet helped to reduce her stress levels and she's now making blankets.

Esther Rutter's book This Golden Fleece: A Journey through Britain's Knitted History aims to unpick what textiles mean to us - including how they became part of the treatment for mental health problems. Learning a skill by following a pattern, connecting with other people and being distracted from everyday worries tick some of the boxes which we associate with wellbeing. But it's hard to pin down exactly which elements can boost our mood. Dr Sarah McKay author of The Woman's Brain Book: the Neuroscience of Health, Hormones and Happiness assesses whether we need hard evidence to carry on casting on.

The charity Fine Cell Work has been teaching prisoners embroidery, needlepoint and quilting for 25 years. CEO Victoria Gillies says the idea is to rehabilitate prisoners and ex-prisoners as they sew high-quality elaborate cushions and footstools. We hear about the difference it's made to stitchers like Ben.

Presenter: Claudia Hammond
Producer: Paula McGrath