Low back pain is the leading cause for years lived in disability. Most people with acute low
back pain improve rapidly, but 4% to 25% of patients become chronic. Since the previous …

Background Chronic pain is defined as pain lasting beyond normal tissue healing time,
generally taken to be 12 weeks. It contributes to disability, anxiety, depression, sleep …

Objectives There is little consensus regarding the burden of pain in the UK. The purpose of
this review was to synthesise existing data on the prevalence of various chronic pain …

Using a simple approach for coding pain severity, the present study describes self-reported
pain in US adults. Data are included for 8,781 adults who completed the Functioning and …

Background: Opioid use, abuse, and adverse consequences, including death, have
escalated at an alarming rate since the 1990s. In an attempt to control opioid abuse …

The objective was to document the operational definitions applied in epidemiological
studies of chronic pain and to examine whether pain definitions and other methodological …

Purpose. The pain VAS is a unidimensional measure of pain intensity (1), which has been
widely used in diverse adult populations, including those with rheumatic diseases (2–5) …

Chronic pain affects∼ 20% of the European population and is commoner in women, older
people, and with relative deprivation. Its management in the community remains generally …

The purpose of this comprehensive review is to describe various aspects of crisis of opioid
use in the United States. The obstacles that must be surmounted are primarily inappropriate …

Importance Chronic pain is common among the elderly and is associated with cognitive
deficits in cross-sectional studies; the population-level association between chronic pain …