Study reports the mysterious symptoms suffered by diplomats in Havana during 2016 and 2017 may have been caused by emotional trauma and fear. The authors claim Havana Syndrome is akin to "shell shock" symptoms, associated with war trauma.
Traumatic damage to the right upper arm, resulting in ulnar palsy, and not a stroke, may have been the reason for da Vinci's impaired painting skills later in life, researchers speculate.
A new study reveals over the counter pain killers may negatively influence information processing and emotional response.
