Research suggests that dozens of genes—perhaps up to 40—play a role in shaping handedness. Rather than determining it ...

The 73-year-old, whose right hand has long been a source of health rumors, was seen clenching his hand tightly in discomfort ...

A dad who initially dismissed the muscle spasms in his right arm was diagnosed with stage 4 cancer and told he wouldn’t “see ...

A 55-year-old man presented to the ED for a chronic right upper extremity wound. The lesion began as a small bump 3 years ...

Martin O'Connell, 54, from London, was told he had stage four cancer after experiencing a spasm in his right arm - and was ...

Russian President Vladimir Putin's latest public appearance has sparked a global debate about his health after a video ...