They are beloved by A-listers and surging in popularity. But claims that NAD+ infusions are a fix for addiction are unproven, risky – and possibly illegal, an Observer investigation reveals
Gathering data used to be a fringe pursuit of Silicon Valley nerds. Now we’re all at it, recording everything from menstrual cycles and mobility to toothbrushing and time spent in daylight. Is this just narcissism redesigned for the big tech age?
Experts say the few scientific papers published about grounding – which can include walking barefoot outdoors or lying on the ground – lack scientific rigour
Healthy people are being forced to stay in hospital because of a lack of social care – and it’s an indictment of our current system, writes Zoe Williams
The TV reporter’s struggles with depression and the suicide of his father, whose own father killed himself, prompt this incisive, highly personal investigation
Recently, there has been much more discussion of menopause. But one debilitating condition, experienced by 80% of women, remains shrouded in secrecy and misunderstanding