Last week, supermodel Linda Evangelista posted on her Instagram page describing undergoing a procedure called CoolSculpting, claiming it has left her ‘permanently deformed’. With this, which is also known as cryolipolysis, and other non-surgical cosmetic treatments on the rise, particularly among younger people, Madeleine Finlay investigates how these procedures work and how risky they really are. Help support our independent journalism at <a href="https://www.theguardian.com/sciencepod">theguardian.com/sciencepod</a>
