As any book about the rise of that most nebulous idea ‘wellness’, should, James Riley’s Well Beings begins with Gwyneth Paltrow, purveyor of ‘This Smells Like My Vagina’ candles, ‘Metabolism-Boosting Super-powder’ and nostrums about mindfulness and ‘self-care’ – for which read self-indulgence. In 2019 Paltrow’s company Goop chartered a luxury liner for a ‘Goop at Sea’ extravaganza, at which attendees were invited to spend $4,200 for the ‘basic’ cruise and a suite at the ship’s onboard spa, and a further $750 for the event itself, the highlight of which would be an appearance by the high priestess of wellness herself.

Goop...