BACKGROUND Primary dysmenorrhea, or painful menstruation in the absence of pelvic
pathology, is a common, and often debilitating, gynecological condition that affects between …

Chronic pain states are highly prevalent and yet poorly controlled by currently available
analgesics, representing an enormous clinical, societal, and economic burden. Existing pain …

While chronic pain is considered by some to be a CNS disease, little is understood about
underlying neurobiological mechanisms. Addiction models have heuristic value in this …

Abstract In Study 1, the Pain Catastrophizing Scale (PCS) was administered to 425
undergraduates. Analyses yielded a three component solution comprising (a) rumination,(b) …

This review highlights consistent patterns in the literature associating positive affect (PA) and
physical health. However, it also raises serious conceptual and methodological …

For over 30 years, scientists have been investigating the phenomenon of pain suppression
upon exposure to unconditioned or conditioned stressful stimuli, commonly known as stress …

The idea that pain can lead to feelings of frustration, worry, anxiety and depression seems
obvious, particularly if it is of a chronic nature. However, there is also evidence for the …

This research synthesis integrates findings from 150 experimental, ambulatory and
longitudinal studies that tested the impact of well-being on objective health outcomes …

There have been anecdotal accounts for centuries of people apparently experiencing little or
no pain in situations that most of us would find excruciating. Yet, western medicine has given …

Surgical and medical procedures, mainly those associated with nerve injuries, may lead to
chronic persistent pain. Currently, one cannot predict which patients undergoing such …