Healey is the daughter of Nicholas Gerald Chadwyck-Healey (son of Sir Charles Arthur Chadwyck-Healey, 4th Baronet) and Alison Jill, daughter of Dr N. Stevens, of Morris House, Thaxted, Essex.
[2] Best known for her work with documentaries on BBC Three, including studies on drinking, childbirth, body issues, dating, and money,[3] Healey frequently relates documentaries to her own life both during the programmes and on her blog on the BBC website.
[4] She presented a mini-series called Britain's Favourite Supermarket Foods on BBC One.
In 2018, Healey was a co-founder of The Hotbed Collective podcast, along with writer Anniki Sommerville and journalist Lisa Williams.
[5] Healey has also written for several publications including Grazia, You Me Baby magazine, and Cellardoor online.