We bring you the first of two episodes highlighting research helping young people affected by poor mental health.Professor of Child and Adolescent Psychiatry Alan Stein is helping HIV-positive women with depression during pregnancy and the postnatal period. By improving their wellbeing he wants to help their children get the best start in life. He explains what his team has achieved so far in South Africa and the global implications of this work.Read the updated MRC Strategy for Lifelong Mental Health Research on our website: www.mrc.ac.uk/mentalhealth Read more on our blog: www.insight.mrc.ac.uk/2017/08/04/supporting-mothers-hiv-depression Produced by Isabel Baker and Hasina Sacranie, and edited by Hasina Sacranie.Music credits: "Clean Soul" and "Brittle Rille" Kevin MacLeod. Licensed under CC BY 3.0