Diseases, Conditions, Syndromes

New research deepens Havana Syndrome mystery

The mystery of so-called Havana Syndrome, which struck down dozens of US diplomats, deepened Monday as new research found no tangible evidence of brain injury in those affected.

Psychology & Psychiatry

Scientists pinpoint anorexia's neurologic origins

Anorexia nervosa, a mental health disorder in which people dangerously restrict their eating or purge their stomachs soon after a meal, is one of the deadliest psychological diseases.

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