Analysis of opioid analgesics consumption in Africa: a longitudinal study from a 20-year continental perspective.

Background: Opioid analgesics are essential for managing acute and chronic pain in diseases such as cancer. Inadequate opioid access remains a major public health concern in low-income regions including Africa. This study aimed to provide updated and comprehensive data on changes in opioid consumption, specifically in Africa.

Use of and barriers to access to opioid analgesics: a worldwide, regional, and national study.

Background: Despite opioid analgesics being essential for pain relief, use has been inadequate in many countries. We aim to provide up-to-date worldwide, regional, and national data for changes in opioid analgesic use, and to analyse the relation of impediments to use of these medicines.

Methods: We calculated defined daily doses for statistical purposes (S-DDD) per million inhabitants per day of opioid analgesics worldwide and for regions and countries from 2001 to 2013, and we used generalised estimating equation analysis to assess longitudinal change in use.

Prevalence of substance use among moroccan adolescents and association with academic achievement.

Aim: To investigate rates of drug and alcohol use and their association with academic performance in Moroccan youth.

Methods: An adapted version of the European School Project on Alcohol and Other Drugs survey was administered to 2139 10(th)-12(th) graders in 36 Moroccan public high schools. Two multiple logistic regressions were completed, one for male and one for female subjects.

[Non-drug psycho-active substance use and pregnancy].

Background: The consumption of psycho-active substances (PAS) by pregnant women is in a growing increase around the world. It is a major problem of public health in some countries due to serious and negative consequences for children and society as well as for pregnant women. This problem has also increased among women in Morocco.

Moroccan national study on prevalence of mental disorders: a community-based epidemiological study.

Objective: The main objective of this study was to assess the prevalence of common mental disorders in the Moroccan general population.

Method: On a systematic representative randomized sample, the Moroccan Arabic version of the Mini International Neuropsychiatric Interview (MINI) was used to assess the prevalence of mood, anxiety, substance, and alcohol abuse disorders.

Results: Among 5498 subjects interviewed, 40.