In Zambia, smoking is on the rise. One woman wants to change that. BBC global health correspondent Tulip Mazumdar follows the story of Brenda Chitindi in her efforts to get tobacco control on the agenda. As tobacco production and consumption increase in Zambia, Brenda and others are campaigning for the introduction of a Tobacco Control Bill to the nation's legislature. It is a campaign they have been fighting for over a decade. With a new government elected in 2021, could this be the moment for change?