World Health Organization (WHO)

WHO began when its Constitution came into force on 7 April 1948 – a date celebrated every year as World Health Day. It has more than 7000 people working in 150 country offices, in 6 regional offices and at its headquarters in Geneva.

WHO’s primary role is to direct and coordinate international health within the United Nations’ system.

Main areas of work:

  • Health systems
  • Promoting health through the life-course
  • Noncommunicable diseases
  • Communicable diseases
  • Corporate services
  • Preparedness, surveillance and response.

WHO support countries as it coordinates the efforts of multiple sectors of the government and partners – including bi- and multilaterals, funds and foundations, civil society organizations and private sector – to attain its health objectives and support national health policies and strategies.

World Mental Health Day 2018

The World Health Organization defines mental health as “a state of well-being in which every individual realizes his or her own potential, can cope with the normal stresses of life, can work productively and fruitfully, and is able to make a contribution to her or his community”. We all experience feeling down, upset, stressed or worried. Fortunately, these feelings tend to pass and we are able to move forward. For many however, these issues develop

Mental Health Atlas 2017

Published by
Publication Date

6 June 2018 – WHO's Mental Health Atlas 2017 reveals that although some countries have made progress in mental health policy-making and planning, there is a global shortage of health workers trained in mental health and a lack of investment in community-based mental health facilities.

Webinar: Programa de intervención breve para adolescentes que abusan de las drogas (PIBA)

Washington, DC, United States,

La Organización Panamericana de la Salud (OPS) extiende una cordial invitación para que el jueves 31 de mayo, a las 12:00 pm (hora de Washington, DC) participen en el seminario virtual gratuito "Programa de intervención breve para adolescentes que abusan de las drogas (PIBA): retos en la implementación y la investigación". Se analizará el proceso de desarrollo y evalua

Single Episode of Alcohol Use Resulting in Injury: A Cross-Sectional Study in 21 Countries

Cherpitel CJ, Ye Y, Poznyak V. (2018). Single episode of alcohol use resulting in injury: a cross-sectional study in 21 countries. Bull World Health Organ 2018;96:335–342 doi:
Publication Date


To examine the empirical basis for including the diagnostic category of “a single episode of harmful substance use” in the 11th revision of the International statistical classification of diseases and related health problems (ICD-11).

World No Tobacco Day 2018: Tobacco and Heart Disease


World No Tobacco Day: Tobacco and Heart Disease 

Date: 31 May 2018

Every year, on 31 May, WHO and partners mark World No Tobacco Day (WNTD), highlighting the health and other risks associated with tobacco use, and advocating for effective policies to reduce tobacco consumption.

The focus of World No Tobacco Day 2018 is "Tobacco and heart disease." The campaign will increase awareness on the:

Advantages of the ordinal alpha from Cronbach's illustrated with the who-AUDIT survey

Contreras Espinoza S, Novoa-Muñoz F. Ventajas del alfa ordinal respecto al alfa de Cronbach ilustradas con la encuesta AUDIT-OMS. Rev Panam Salud Publica. 2018;42:e65.
Publication Date


Objectives: Explain the advantages of the use of the ordinal Alpha for situations in which the Cronbach's assumptions are not fulfilled and show the usefulness of the ordinal Alpha with the Chilean version of the AUDIT, as well as provide the commands in the R programming language for the relevant calculations.