What we don't know about our hearts can hurt us

By Merilynn Steenkamp, General Manager, Southern Africa Multi-Country Network at Roche Diagnostics29 September is World Heart Day. Perhaps this is not a date on the calendar many of us treat with the same reverence as New Year’s Day, Father’s Day, or even Valentine’s Day. But in context, it’s worth considering that almost half of South African adults between the ages of 30 and 79 are estimated to have hypertension. Hypertension (or high blood pressure) is one of the most serious risk factors for death from heart diseases and strokes. That should make the date more relevant to so many of…