4 tips for a healthy heart from a biokineticist

By Lynn Smith, Senior Lecturer in Biokinetics and Head of Department of Sport and Movement Studies, University of Johannesburg

The human heart is an extraordinary organ. About the size of a fist, it works hard to pump over 7,500 litres of blood daily, delivering oxygen and nutrients to every part of the body while simultaneously removing waste, regulating core body temperature and supporting the health of organs and tissues.

But the heart is vulnerable. Cardiovascular disease remains the leading cause of death worldwide, responsible for nearly one-third of all deaths. Deaths related to cardiovascular…

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