News: Optimism, mastery help cancer patients cope (Reuters) Optimism, mastery help cancer patients cope (Reuters) ================================================================================ by team on 26 August, 2008 08:20:16 Reuters - Cancer patients who are optimistic are better able manage the severity of their pain, while those with a strong sense of mastery (control over their environment) can control their fatigue more effectively while also keeping pain severity in check, new research shows.