The logic behind full-body MRI scans is flawed because they frequently lead to a 'cascade of care' for incidental findings that would never have caused harm.

It's often the case that cancers are so slow-growing that they are never going to do harm if left alone, so there is no benefit from discovering them.

After South Korea introduced widespread thyroid cancer screening, diagnoses exploded sevenfold, but mortality rates remained the same, indicating thousands of unnecessary, harmful surgeries.

Contrary to popular belief, more testing and gathering more information can often lead to worse health outcomes due to overdiagnosis and unnecessary treatments.

Regular prostate cancer screening for men aged 55-69 has only a small potential benefit but carries substantial risks of harm from treatments, like erectile dysfunction.

Clinics offering to filter microplastics from your blood for thousands of pounds are selling an unproven fix for an unproven problem, especially when the equipment itself may contain plastics.

Instead of broad, unproven screenings, focus on a few key blood tests like LDL cholesterol and ApoB that are backed by evidence and are highly actionable.