The wisdom only age can bring is the theme of this deeply illuminating episode of White Shores where Theresa talks to psychiatrist Dr Dixon Chibanda, professor of psychiatry at the University of Zimbabwe and the London School of Hygiene and Tropical Medicine and author of The Friendship Bench: How Fourteen Grandmothers Inspired a Mental Health Revolution. The director of the African Mental Health Research Initiative (AMARI), Dixon has written about his work for The Guardian and LA Times and s...