Impact seems to be strongest after 10 years; recovery may take at least 5 years. According to results of a new study, long-term shift work may lead to impaired brain power which could involve ...

Shift work over a period of 10 or more years, and the disruption in circadian rhythm it causes, takes a toll on cognitive function, a new study shows. "Shift work chronically impairs cognition, with ...

Because an employee's required hours weren't listed in the "essential functions" section of his job description, it was reasonable for a jury to conclude that those hours weren't essential for ...