People with the same condition can respond differently to the same treatment. This is why personalised treatment is so important in all fields of medicine, including psychology.
Reggae in South Africa has lost its visibility and prominence inside the country after apartheid. But local artists have built up extensive international links.
For Western Cape Premier Helen Zille to invite black South Africans, in a casual manner, to differentiate the legacies of colonialism is asking a lot.
Childhood asthma in low- and middle-income countries is on the rise and symptoms are often more severe. Contributory factors include living with anxiety and being exposed to community violence.
In Cape Town's Cape Flats, female urban farmers are vital for food security and strengthening social capital.
Mosses and lichens have the ability to accumulate and retain air pollutants.
The curbing of fishing has helped African penguins rebound from close to extinction – but it is not enough.
Helen Zille is quitting as leader of South Africa's main opposition party, the Democratic Alliance. She leaves a mixed legacy.