FRIDAY, April 4 (HealthDay News) -- People like to temper their emotions to the task at hand, and it can help them succeed, even if the emotions are not pleasurable ones, a new report suggests.

Individuals are motivated to increase their level of anger, for example, when they expect to complete a confrontational task in which anger might enhance performance, according to the study published in the April issue of Psychological Science. And reaching that frame of mind does seem to help.

By Madeline Vann
EmpowHer's HealthDay Reporter

Neither positive nor negative emotional states predict how long a person with cancer will survive, a new study finds.

University of Pennsylvania researchers say that among head and neck cancer patients, emotional health -- good or bad -- is not an independent factor affecting prognosis.