Influencers are promoting these three health tests – but they risk doing more harm than good

Experts warn of ‘over-diagnosis’ dangers as social media prompts the worried well to seek out unnecessary and expensive scans and blood tests Medical tests are marketed on social media as a way to empower people to take control of their health, but experts are warning to be wary of the harms influencers don’t mention. Three controversial tests – full-body magnetic resonance imaging (MRI) scans, blood tests for testosterone levels and the Anti-Mullerian hormone (AMH) or “egg-timer” test, which surveys a woman’s egg count – are the focus of a campaign backed by the University of Sydney based on its own research trying to combat misinformation online. All three tests carry the risk of over-diagnosis, leading healthy people to seek out interventions they may not have ever needed, says Dr Brooke Nickel, a senior research fellow at the Sydney Health Literacy Lab – the team behind the initiative. The people spruiking these tests would have you believe information is power – but what’s being left out of the narrative getting spun on social media? Kim Kardashian and Paris Hilton are among those to have spruiked this scan, encouraging people to do it in the name of earl