Brain

Scores of US spies, diplomats and soldiers have reported unexplained health problems over past five years

New research suggests coronavirus complications may include stroke and psychosis

Study shows former players have greatly increased risk of serious brain disease

Scan shows whether the brain's blood vessels are protecting it from the strong pulse of the heart

Research finds link between Toxoplasma gondii organism and risk-taking behaviours

Research finds that cognitive functions decline as temperatures rise

Development comes after scientists switch away from testing on mouse cells

Technically dead patients may be able to hear and understand doctors