Ten years ago, when Kwanda Mtetwa sustained serious injuries from a motorcycle accident, medical marijuana was unheard of in South Africa.
But from 2018, the Constitutional Court decriminalised personal use of cannabis, paving the way for medical cannabis.
Mtetwa became the first South African to receive a medical prescription for chronic pain. Today he is an activist and teaches a cannabis growers course.
Mtetwa gives more details.
Tune into Newzroom Afrika, DSTV channel 405 for more details.