A major US government-led study published Tuesday found no link between ovarian cancer and the use of talcum powder in the genital area, citing data from more than 250,000 women.

No link between talcum powder and ovarian cancer, finds major study

Advanced brain scans of US Embassy employees who reported falling ill while serving in Havana revealed significant differences, according to a new study published on Tuesday that does little to resolve the mystery of injuries the Trump administration had characterised as a "sonic attack.

Scans show changes to brains of 'injured' Havana US embassy workers

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No link between talcum powder and ovarian cancer, finds major study

Scans show changes to brains of 'injured' Havana US embassy workers