While many governments, non governmental organisations (NGOs) and United Nations (UN) agencies have focused in the past on the health of mothers, infants and young children, there is now growing evidence that the healthcare system should also address the well-being and problems of adolescents, defined by WHO as individuals aged 10–19 years. They represent 1.2 billion individuals in the global population and between 10% and 25% of the population in European countries.1 In September 2015, the UN Secretary-General announced that the ‘Every Woman, Every Child’ agenda would move forward to 2030 as a Global Strategy for Women’s, Children’s and Adolescents’ Health. In 2017, WHO responded to the large number of health problems affecting adolescents by launching a state-of-the-art review of programmes and interventions targeting the health burden of adolescents around the world, the AA-HA initiative (‘Accelerated Action for the Health of Adolescents’). Adolescents’ morbidities such as sexually transmitted infections or unplanned pregnancies, intentional and unintentional injuries, substance abuse and chronic disorders, especially mental disorders and metabolic diseases, constitute major causes of adolescent ill-health and have both short-term and long-term consequences. To read the full article, log in using your NHS OpenAthens details.