Scientists have long struggled to define brain fog—let alone pinpoint a cause for it. But research is starting to reveal multiple potential causes from inflammation to a leaky blood-brain barrier.

Genetic risk for schizophrenia is tied to thinner retinas, suggesting retinal scans could aid early detection and treatment.

A groundbreaking AI-powered blood test that detects 12 cancers from a tiny sample is entering NHS trials.

A growing understanding of how “reproductive” hormones sculpt the brain could transform the management of neurological ...