The radial nerve is prone to injury, even from minor incidents, such as sleeping on the arm. Radial nerve injury is also common after breaking the arm. In this article, learn about other causes, as well as symptoms and treatments.

The largest sleep study ever conducted concludes that both sleeping too little and too much negatively impacts cognitive ability, regardless of age.

Does this personality trait help us flourish and succeed, or can it hinder our happiness and harm our mental health? In this Spotlight, we explore.