More than stress: The truth about anxiety and depression at work in South Africa.

For many South Africans, the hardest part of the working day is not the overflowing inbox, the demanding clients or the long commute.

It is putting on a brave face while silently battling anxiety or depression.

Mental illness remains one of the country's most misunderstood health challenges, particularly in the workplace, where many employees fear being judged as weak, unreliable or incapable if they speak up.

Research by the South African Depression and Anxiety Group (SADAG) has found that workplace mental health problems are widespread.